| 单词 | specific gravity |
| 例句 | Grief, terror, love, longing — these were intangibles, but the intangibles had their own mass and specific gravity, they had tangible weight. The Things They Carried 1990-01-01T00:00:00Z His insistence on being more precise than Archimedes goes back into his youth, when he had devised an instrument, the balincetta, which would make more exact measurements of specific gravities than any made before. The Invention of Science 2015-09-17T00:00:00Z Galileo also wanted to construct an object which would fully immerse but not sink—an object with the same specific gravity as water. The Invention of Science 2015-09-17T00:00:00Z If an object floats, its specific gravity is less than one. College Physics for AP Courses 2015-08-12T00:00:00Z In the case of this table, specific gravity is the ratio of density of a substance to the density of pure water at the same conditions. Chemistry 2019-02-14T00:00:00Z To measure specific gravity, a mineral specimen is first weighed in grams then submerged in a graduated cylinder filled with pure water at room temperature. An Introduction to Geology 2017-01-01T00:00:00Z Laboratories can now measure urine osmolarity directly, which is a more accurate indicator of urinary solutes than specific gravity. Anatomy and Physiology 2013-06-19T00:00:00Z The study also found that, at fight-time, 39% of the fighters were either significantly or seriously dehydrated as measured by urine specific gravity. Combat sports athletes are using a deadly weight gain hack to game the weight classes 2021-04-04T04:00:00Z Moreover, the fraction of a floating object that is submerged equals its specific gravity. College Physics for AP Courses 2015-08-12T00:00:00Z Here, Russian missiles had a distinct advantage, as their lower specific gravity allowed them to float vertically, like an ocean buoy. Documents shed light on North Korea’s startling gains in sea-based missile technology 2017-12-27T05:00:00Z Since the weight of water at room temperature is 1 gram per cubic centimeter, the ratio of the two-weight numbers gives the specific gravity. An Introduction to Geology 2017-01-01T00:00:00Z To someone just dropping in, it might seem that Gabriel is teaching chemistry or math because he refers to enzymes, specific gravity and algebraic formulas. Davenport man offers craft brewing classes 2016-01-31T05:00:00Z The urinalysis tests for “proteins, sugar, red and white blood cell counts, specific gravity, and nitrates,” the county said in its response to the plaintiff’s motion for a temporary restraining order. Order allows woman to start Hawaii County legal clerk job 2015-03-17T04:00:00Z If an object's specific gravity is exactly 1, then it will remain suspended in the fluid, neither sinking nor floating. College Physics for AP Courses 2015-08-12T00:00:00Z He vowed to get out of the specific gravity that held him, start a human-improvement project. With Intensive Swim Lessons, a Man Attacks His Fear of Water 2014-08-29T04:00:00Z Experienced geologists can roughly assess specific gravity by heft, a subjective quality of how heavy the specimen feels in one’s hand relative to its size. An Introduction to Geology 2017-01-01T00:00:00Z Peeing on a ScanaFlo paddle allows the device to measure protein, glucose, leukocytes, nitrates, bilirubin, blood, urobilinogen, specific gravity, urine pH--and it checks for pregnancy. A Real-Life Tricorder Is Now Available for You to Buy and Scan Yourself 2013-05-22T14:45:00.243Z It remained for Torricelli to vary the specific gravity of the liquid measuring the pressure, and not till then was the air included in the list of pressure-exerting fluids. Popular scientific lectures 2012-04-24T02:00:17.273Z One device for measuring specific gravity is shown in Figure 11.26. College Physics for AP Courses 2015-08-12T00:00:00Z They learned—and, indeed, had to learn—in an incidental manner how to determine physical constants, such as specific gravities, thermal capacities, electric resistances, and so forth. Lord Kelvin An account of his scientific life and work 2012-04-06T02:00:32.097Z Native gold has one of the highest specific gravities. An Introduction to Geology 2017-01-01T00:00:00Z There exist birds of prey, of whose bodies the specific gravity does not differ much from that of the ostrich, and are powerful in flight nevertheless. The Catholic World; Volume I, Issues 1-6 A Monthly Eclectic Magazine 2012-04-05T02:00:40.207Z It was asserted that the specific gravity of water at great depths would cause the heaviest weights to remain suspended in mid-sea, and that animal existence was impossible at the bottom. The Sea: Its Stirring Story of Adventure, Peril, & Heroism. Volume 1 2012-04-03T02:00:38.807Z It floats highest in the densest fluids and has been calibrated and labeled so that specific gravity can be read from it directly. College Physics for AP Courses 2015-08-12T00:00:00Z The advantage of employing a ballast of less specific gravity than water is, that in the event of the boat being stove in, the buoyancy of the material itself then comes into play. The Sea: Its Stirring Story of Adventure, Peril, & Heroism. Volume 2 2012-04-03T02:00:36.237Z This metal is white, but with a bluish tinge, and is remarkable for its resistance to oxidation, and for its lightness, pertaining a specific gravity of about 2.6. Webster's Unabridged Dictionary 2012-03-24T02:00:23.513Z Among distillers, a certain degree of strength in alcoholic liquor, as formerly ascertained by the floating or sinking of glass globules of different specific gravities thrown into it; now ascertained by more accurate meters. Webster's Unabridged Dictionary (2nd 100 Pages) 2012-03-24T02:00:19.387Z A glass tube or small tin measure should be used, as drops vary in size according to the temperature of the oil, and also differ with the specific gravity. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z Its specific gravity is high, and it contains a large amount of solids, especially of urea. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z All bodies contract their dimensions, and acquire a greater specific gravity by cooling; but water is excepted from this law, and becomes of less specific gravity, whether it be heated, or cooled below 42° 5′. Curiosities of Medical Experience 2012-03-09T03:00:20.410Z Lignum-vitæ is a very hard dark-coloured wood, and remarkable for its high specific gravity, being 11⁄3 times the weight of the same volume of water. An Introduction to Machine Drawing and Design 2012-03-06T03:00:25.777Z It has a high specific gravity, and hence is often called heavy spar. Webster's Unabridged Dictionary (2nd 100 Pages) 2012-03-24T02:00:19.387Z By the decrease of specific gravity an increase of volume must occur, which could also find relief in bulging. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z The specific gravity is usually high in almost all cases in which the urine is scanty, and may be as high 1038. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z It is gnarled and knotty, extremely hard and heavy, its specific gravity being but slightly less than that of water. The Cruise of the 'Alerte' The narrative of a search for treasure on the desert island of Trinidad 2012-02-17T03:00:29.247Z White cast iron has a higher specific gravity than grey cast iron. An Introduction to Machine Drawing and Design 2012-03-06T03:00:25.777Z A modification of this is the common gravity battery, so called from the automatic action of the two fluids, which are separated by their specific gravities. Webster's Unabridged Dictionary (2nd 100 Pages) 2012-03-24T02:00:19.387Z Calculating the weight of No. 6 before and after experiment from the volumes and specific gravities, we find the following:— Volume. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z With the establishment of convalescence the specific gravity often diminishes before the water begins to increase. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z They taught hydrostatics and determined the specific gravities of bodies. The Works of Robert G. Ingersoll, Vol. 4 (of 12) Dresden Edition?Lectures 2012-02-11T03:03:46.253Z Crystals are transparent to translucent, and colourless to pale yellow; hardness 7; specific gravity 3.0. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 9 "Dagupan" to "David" 2012-02-11T03:03:39.807Z The urine is scanty, highly colored, dark straw and brown, very acid, and of high specific gravity. New, Old, and Forgotten Remedies: Papers by Many Writers 2012-02-05T03:00:10Z On taking the specific gravity it was found to be 7.526, or practically the same as after 100 total heatings and coolings. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z During convalescence the urine is usually increased in quantity, is pale and limpid, and of low specific gravity, and is found to contain the chlorides in gradually increasing quantity. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z "Experience the second," cried Harry, in his cool, scientific way: "the apparition has the specific gravity of atmospheric air." Strange Stories 2012-01-16T03:00:05.067Z Hydrometer, hī-drom′et-ėr, n. an instrument for measuring the density or specific gravity of solids and liquids by flotation, consisting of a weighted glass bulb or hollow metal cylinder with a long stem: a current-gauge.—adjs. Chambers's Twentieth Century Dictionary (part 2 of 4: E-M) 2012-01-11T03:00:23.770Z The specific gravity of some human bodies, in comparison to that of water, has been examined by M. Robinson, in our Philosophical Transactions, volume 50, page 30, for the year 1757. The Life of Benjamin Franklin Illustrated by Tales, Sketches, and Anecdotes 2012-01-04T03:00:46.617Z In the one the jacket of the engine is supplied with running water; in the other, reservoirs are employed, the circulation being effected simply by the difference in specific gravity in a thermo-siphon apparatus. Gas-Engines and Producer-Gas Plants A Practice Treatise Setting Forth the Principles of Gas-Engines and Producer Design, the Selection and Installation of an Engine, Conditions of Perfect Operation, Producer-Gas Engines and Their Possibilities, the Care of Gas-Engines and Producer-Gas Plants, with a Chapter on Volatile Hydrocarbon and Oil Engines 2011-12-28T03:00:31.087Z Dec. 28th, specific gravity of urine 1019; urine still quite albuminous, and containing blood-corpuscles and granular casts, also crystals of oxalate of lime. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z The specific gravity evidently amounts in itself to nothing, being as air in air, and as vacuum in vacuo. Strange Stories 2012-01-16T03:00:05.067Z An ingenious piece of apparatus invented by Mr. Joly was one for carrying out his method of determining the specific gravity of small quantities of dense or porous bodies. Scientific American Supplement, No. 648, June 2, 1888. 2011-12-26T03:00:15.410Z The hardness of the crystallized haematite is about 6, and the specific gravity 5.2. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 7 "Gyantse" to "Hallel" 2011-12-26T03:00:11.613Z Carbon monoxide, the specific gravity of which is 0.967, is a gas peculiarly poisonous and dangerous. Gas-Engines and Producer-Gas Plants A Practice Treatise Setting Forth the Principles of Gas-Engines and Producer Design, the Selection and Installation of an Engine, Conditions of Perfect Operation, Producer-Gas Engines and Their Possibilities, the Care of Gas-Engines and Producer-Gas Plants, with a Chapter on Volatile Hydrocarbon and Oil Engines 2011-12-28T03:00:31.087Z The urine in the first stage of this disease is scanty, high-colored, contains a large amount of salts, and is of a high specific gravity. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z These pyrites or 'sulphurets' are cleansed by concentration in various kinds of apparatus, all depending on the greater specific gravity of the portion sought to be saved. The Romance of Industry and Invention 2011-12-19T03:00:43.870Z The specific gravity of nitre is 2.2 : 200 grams will therefore occupy about 100 cubic centimetres volume. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 6 "Groups, Theory of" to "Gwyniad" 2011-12-16T03:00:12.320Z Greenheart, tested either by transverse or by tensile strain, is one of the strongest of all woods, and it is also exceedingly dense, its specific gravity being about 1150. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 5 "Greek Law" to "Ground-Squirrel" 2011-12-05T03:00:51.527Z The specific gravity of the tin ore is 6.8, and as the water rolled away from the heights, it deposited the tin that it had brought away with it. Cornwall 2011-12-05T03:00:38.530Z During the fever it is generally diminished in quantity, dark in color, and of high specific gravity. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z The lake is a novel and popular bathing resort, the specific gravity of the water being so great that one cannot sink or entirely submerge oneself. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 4 "Grasshopper" to "Greek Language" 2011-11-28T03:00:19.517Z Gum senegal, a variety of gum arabic produced by Acacia Verek, occurs in pieces generally rounded, of the size of a pigeon’s egg, and of a reddish or yellow colour, and specific gravity 1.436. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 6 "Groups, Theory of" to "Gwyniad" 2011-12-16T03:00:12.320Z It is evident enough from these quotations that the Ancients by "washing" and "sifting," grasped the practical effect of differences in specific gravity of the various components of an ore. De Re Metallica, Translated from the First Latin Edition of 1556 2011-11-16T03:00:21.977Z The reader is probably aware that bodies whose specific gravity exceeds that of air, such as grass, seeds, &c., are conveyed through that medium from one field to another. The American Reformed Cattle Doctor 2011-11-14T03:00:19.813Z When crisis occurs by copious urination the discharges are frequent, large, and of light color and low specific gravity. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z The colour varies from yellowish or reddish to blackish-brown, and by transmitted light it is often blood-red; the streak is brownish-yellow; hardness, 5; specific gravity, 4.3. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 3 "Gordon, Lord George" to "Grasses" 2011-11-13T03:00:13.177Z The specific gravity of maple wood is stated to be 75. Man and Nature or, Physical Geography as Modified by Human Action 2011-11-11T03:00:34.027Z And, again, owing to its low specific gravity, gas tends to gain in pressure with an increased elevation; each rise of 10 feet adding about 1-10th of an inch to its pressure. Gas Burners Old and New 2011-11-07T02:00:20.003Z According to Chenevix, the alloy composed of equal parts of the two metals is grey, is less ductile than its constituent metals and has the specific gravity 11.08. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 2 "Gloss" to "Gordon, Charles George" 2011-10-31T02:00:28.703Z The specific gravity of the urine is diminished. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z This removal so seldom takes place that the vaguest notions abound as to any given person's specific gravity. The Open Question a tale of two temperaments 2011-10-25T02:00:22.173Z The brine is of greater specific gravity than the pure water; the pressure of the heavier fluid forces the lighter up in the tube. Etidorhpa or the End of Earth. The Strange History of a Mysterious Being and The Account of a Remarkable Journey 2011-10-18T02:00:20.997Z Corundum, ko-run′dum, n. a mineral consisting of mere alumina, yet of great specific gravity—about four times that of water—and second in hardness only to the diamond. Chambers's Twentieth Century Dictionary (part 1 of 4: A-D) 2011-10-11T02:01:08.990Z The operation may be conducted in vessels of glass or platinum, and each pound of granulated metal is treated with a pound and a quarter of nitric acid of specific gravity 1.32. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 2 "Gloss" to "Gordon, Charles George" 2011-10-31T02:00:28.703Z But a large quantity of albumen in the urine may render the specific gravity as high or higher than in health. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z The urine is of normal amount, color, and specific gravity. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z Metallizable earths, commonly called ores, when united to phlogiston, make the metals, distinguishable for their specific gravity, their opacity, shining appearance, and fusibility. Heads of Lectures on a Course of Experimental Philosophy: Particularly Including Chemistry 2011-10-11T02:01:05.817Z A balloon is an apparatus with an envelope filled with gas, the specific gravity of which is less than that of the atmosphere near the surface of the earth. Great Inventions and Discoveries 2011-10-01T02:00:30.900Z This liquid is concentrated in vacuum pans to a specific gravity of 40� to 44� B., a small quantity of sodium bisulphite solution being added to bleach it, to prevent fermentation, and to inhibit browning. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 2 "Gloss" to "Gordon, Charles George" 2011-10-31T02:00:28.703Z During and shortly succeeding the cold stage the urine may be somewhat increased in amount, but after the fever is established both the quantity and the specific gravity are notably lessened. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z Polyuria with low specific gravity and nycturia are present. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z Lead is a metal of a bluish tinge, of no great tenacity, but very considerable specific gravity, being heavier than silver. Heads of Lectures on a Course of Experimental Philosophy: Particularly Including Chemistry 2011-10-11T02:01:05.817Z Whatever he says or whatever he writes, one always finds a specific gravity of stark, staring facts altogether abnormal. Napoleon's Letters to Josephine 2011-09-23T02:00:21.947Z Sea-water is distinguished from that of ordinary lakes and rivers by its greater specific gravity and its saline taste. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" 2011-09-19T02:00:10.473Z The specific gravity is high, and the quantity is usually diminished. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z The urine is normal in color, amount, and specific gravity. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z Steel has something less specific gravity than iron. Heads of Lectures on a Course of Experimental Philosophy: Particularly Including Chemistry 2011-10-11T02:01:05.817Z It has a specific gravity of about 3.5, and a decidedly golden yellow color. Paint Technology and Tests 2011-09-15T02:00:12.263Z Nicotine in the pure state is a colorless liquid having a specific gravity of 1.027. Tobacco Leaves Being a Book of Facts for Smokers 2011-09-12T02:00:31.107Z The index of refraction generally bears a relation to the specific gravity of the stone, the heaviest gems having the highest indices, though a few minerals offer exceptions. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 5 "Gassendi, Pierre" to "Geocentric" 2011-09-02T02:00:20.450Z The urine was acid, of normal specific gravity, normal in amount, normal phthalein, normal concentration of salt and nitrogen, contained albumin only when he was suffering from decompensation of the heart. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z Tin has less specific gravity than any other metal. Heads of Lectures on a Course of Experimental Philosophy: Particularly Including Chemistry 2011-10-11T02:01:05.817Z By the continued oxidation of litharge in reverberatory furnaces, red lead is produced as a brilliant red pigment with a specific gravity of 8.7. Paint Technology and Tests 2011-09-15T02:00:12.263Z The colour of the mineral and of its streak is lead-grey; it is opaque; the hardness is 2� and the specific gravity 7.5. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 4 "G" to "Gaskell, Elizabeth" 2011-08-24T02:00:20.690Z The relative weightiness of a stone is called its specific gravity, and is often abbreviated as S.G. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 5 "Gassendi, Pierre" to "Geocentric" 2011-09-02T02:00:20.450Z For thousands of years the erosion of the hills has precipitated gold into the river; the gold has sunk by its specific gravity into the river-bed, and there it remains in incalculable quantities. Masterman and Son 2011-08-23T02:00:35.033Z Thus, from the specific gravities, or the degrees of fusibility, of two metals, those of the compound cannot be predicted. Heads of Lectures on a Course of Experimental Philosophy: Particularly Including Chemistry 2011-10-11T02:01:05.817Z Fuller’s earth has a specific gravity of 1.7-2.4, and a shining streak; it is usually unctuous to the touch. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 3 "Frost" to "Fyzabad" 2011-08-15T02:00:28.473Z Tar derived from ordinary bituminous Liquid products. coal is a black, somewhat viscid liquid, varying in specific gravity from 1.1 to 1.2. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 4 "G" to "Gaskell, Elizabeth" 2011-08-24T02:00:20.690Z The various methods of determining specific gravity are described under Density. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 5 "Gassendi, Pierre" to "Geocentric" 2011-09-02T02:00:20.450Z These features were the diffusion of gases, the action of gases on each other in vacuum—the influence of different temperatures upon them, their chemical constituents and their relative specific gravity. Inventions in the Century 2011-07-20T02:00:14.643Z Different kinds of air which have no affinity to each other, when once mixed together will not separate, notwithstanding any difference of specific gravity. Heads of Lectures on a Course of Experimental Philosophy: Particularly Including Chemistry 2011-10-11T02:01:05.817Z The oil has been chemically analysed and found to be a fish-oil, and to possess nearly all the qualities of that obtained from the liver of the cod, with a lighter specific gravity. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 3 "Frost" to "Fyzabad" 2011-08-15T02:00:28.473Z The specific gravity of the worts depends chiefly on the amount of sugar which they contain, and is ascertained by the saccharometer. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 1 "Evangelical Church Conference" to "Fairbairn, Sir William" 2011-07-16T02:00:16.387Z But in the concept of gold color, lustre, malleability, hardness, solubility, fusibility, specific gravity, atomic weight, and all other qualities of gold, must be apprehended as clearly as possible. Anarchism 2011-07-12T02:00:35.053Z Now suppose that a cubic inch of gold, weighed 19 ounces out of water, and lost one ounce of its weight by being weighed in water, what would be its specific gravity? Conversations on Natural Philosophy, in which the Elements of that Science are Familiarly Explained 2011-07-12T02:00:28.027Z Water, with respect to specific gravity and temperature, has generally been made the standard to all other substances; its freezing and boiling points being the limits by means of which thermometers are graduated. Heads of Lectures on a Course of Experimental Philosophy: Particularly Including Chemistry 2011-10-11T02:01:05.817Z By this beautiful adjustment of augmented floating power to increased weight, the buoyancy of the shell would be secured and its specific gravity maintained as nearly as possible equal to that of the surrounding water. Sea Monsters Unmasked and Sea Fables Explained 2011-07-11T02:00:07.857Z Its compactness, superior softness, specific gravity, and coloring matter, distinguish it from silicious sinter. Scenes and Andventures in the Semi-Alpine Region of the Ozark Mountains of Missouri and Arkansas 2011-07-10T02:00:18.883Z He found it possessed of the ductility and specific gravity of gold; and full of admiration, he exclaimed that he had never worked before upon gold so perfectly pure. The Seven Follies of Science [2nd ed.] A popular account of the most famous scientific impossibilities and the attempts which have been made to solve them. 2011-06-30T02:00:34.290Z In short, specific gravity, means how many times more a body weighs, than an equal bulk of water. Conversations on Natural Philosophy, in which the Elements of that Science are Familiarly Explained 2011-07-12T02:00:28.027Z This stone is distinguishable by its great specific gravity, being four times as heavy as water; but though in this it resembles an ore, it has not been found to be metallizable. Heads of Lectures on a Course of Experimental Philosophy: Particularly Including Chemistry 2011-10-11T02:01:05.817Z Dean Buckland believed this "syphon" to be an hydraulic apparatus acting as a "fine adjustment" of the specific gravity of the shell, by admitting water within it when expanded, and excluding it when contracted. Sea Monsters Unmasked and Sea Fables Explained 2011-07-11T02:00:07.857Z In the former case they float in mid-water, being of nearly the same specific gravity as the water, and are carried about by any movement set up in it. Freshwater Sponges, Hydroids & Polyzoa 2011-06-25T02:00:17.833Z All I know is that it's fireproof and its specific gravity is approximately the same as sea-water. Rounding up the Raider A Naval Story of the Great War 2011-06-24T02:00:25.163Z But are there not some bodies which have exactly the same specific gravity as water? Conversations on Natural Philosophy, in which the Elements of that Science are Familiarly Explained 2011-07-12T02:00:28.027Z When metals are fused together, the specific gravity, fusibility, and other properties are changed, and in such a manner as could not be discovered from the properties of the constituent parts. Heads of Lectures on a Course of Experimental Philosophy: Particularly Including Chemistry 2011-10-11T02:01:05.817Z The baby's blood has a higher specific gravity, and it has, in normal condition, nearly double as many red corpuscles to the cubic millimeter as the mother's blood. Psychotherapy 2011-06-19T02:00:20.053Z The specific gravities are as given in Professor Rankine’s Applied Mechanics. A Treatise on Meteorological Instruments Explanatory of Their Scientific Principles, Method of Construction, and Practical Utility 2011-06-19T02:00:15.717Z For instance, there is a general law of what is termed gravitation which causes bodies to fall to the earth from a given height, with the same velocity according to their specific gravity. An Examination into and an Elucidation of the Great Principle of the Mediation and Atonement of Our Lord and Savior Jesus Christ 2011-06-06T02:00:07.650Z And how do you ascertain the specific gravity of fluids? Conversations on Natural Philosophy, in which the Elements of that Science are Familiarly Explained 2011-07-12T02:00:28.027Z Pure platina is the heaviest body in nature, its specific gravity exceeding twenty-two. Heads of Lectures on a Course of Experimental Philosophy: Particularly Including Chemistry 2011-10-11T02:01:05.817Z During this process gold, platinum, etc., owing to their high specific gravity, may be concentrated in stream channels. North America 2011-05-05T02:00:20.027Z The specific gravity of distilled water, at the temperature of 62° F, being taken as unity, the depth to which the instrument sinks when gently immersed in such water is the zero of the scale. A Treatise on Meteorological Instruments Explanatory of Their Scientific Principles, Method of Construction, and Practical Utility 2011-06-19T02:00:15.717Z We could put more specific gravity into a given bulk of bread than any scientific cook on earth. Memoirs of Orange Jacobs 2011-05-01T02:00:10.143Z If we say that the specific gravity of a body is 6, we mean, that its weight is six times as great as that of a portion of water, exactly equal to it in bulk. Conversations on Natural Philosophy, in which the Elements of that Science are Familiarly Explained 2011-07-12T02:00:28.027Z But wealth had come to be a large factor in his social specific gravity. That Unfortunate Marriage, Vol. 2 2011-04-26T02:00:28.200Z This separation is effected by utilizing a current of water as a balance strong enough to carry wheat but not strong enough to carry stones or bodies of greater specific gravity than wheat. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 5 "Fleury, Claude" to "Foraker" 2011-04-03T02:00:20.883Z According, therefore, as the specific gravities of fluids differ from each other, so will vary the quantities of the fluids displaced by the same body when floated successively in each. A Treatise on Meteorological Instruments Explanatory of Their Scientific Principles, Method of Construction, and Practical Utility 2011-06-19T02:00:15.717Z The idea of specific gravity appears all through, though 56 this actual term is not used. Archimedes Men of Science 2011-03-13T03:00:23.660Z An instrument used to ascertain the specific gravity of different fluids, which it does, by the depth to which it sinks when floating on them. Conversations on Natural Philosophy, in which the Elements of that Science are Familiarly Explained 2011-07-12T02:00:28.027Z Commercial acid of specific gravity 1·84 is the best of its kind. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z Its specific gravity is 2.6 or only a little less than that of crystalline quartz. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 5 "Fleury, Claude" to "Foraker" 2011-04-03T02:00:20.883Z The instrument is composed of solid metals of considerable specific gravity, viz. of brass and steel, the specific gravity of these metals being 8·39 and 7·81 respectively. A Treatise on Meteorological Instruments Explanatory of Their Scientific Principles, Method of Construction, and Practical Utility 2011-06-19T02:00:15.717Z It is a colourless highly volatile and inflammable liquid, having at 20� C. a specific gravity of 0.65. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 8 "Ethiopia" to "Evangelical Association" 2011-03-05T03:00:24.537Z Mrs. B. No: the specific gravity of a body, means simply its weight, compared with that of another body, of the same size. Conversations on Natural Philosophy, in which the Elements of that Science are Familiarly Explained 2011-07-12T02:00:28.027Z I have found that a very close approximation is obtainable by weighing the rings as the specific gravity of the standard rubber mix is known. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z The weight of wood is indicated either as the weight per cubic foot or as specific gravity. Wood and Forest 2011-03-01T03:00:42.647Z The graduations extend from 0 to 40; the latter being the mark which will be level with the surface when the instrument is placed in water, the specific gravity of which is 1·040. A Treatise on Meteorological Instruments Explanatory of Their Scientific Principles, Method of Construction, and Practical Utility 2011-06-19T02:00:15.717Z No one," says he, "in our time attempts to explain the particular specific gravity of each substance or of each structure. A System of Logic: Ratiocinative and Inductive 7th Edition, Vol. II 2011-03-01T03:00:40.557Z Mrs. B. In estimating the specific gravity of bodies, therefore, we must compare equal bulks, and we shall find that their specific gravity, will be proportional to their weights. Conversations on Natural Philosophy, in which the Elements of that Science are Familiarly Explained 2011-07-12T02:00:28.027Z As a rule, those lavas which are of inferior specific gravity are much more vesicular than the denser and heavier varieties. Geology 2011-02-20T03:00:12.660Z The indigo is now ready to fall to the bottom by its superior specific gravity; but a precipitant is often used to cause a more hasty decomposition, and consequent precipitation. The South-West By a Yankee. In Two Volumes. Volume 1 2011-02-02T03:00:22.253Z If the addition of heat will increase the effect of such a solution, it may become possible to separate, by means of the continuous jig, minerals so near in specific gravity as barite and galena. The Galaxy Vol. XXIII?March, 1877.?No. 3 2011-01-31T03:00:16.193Z There are many other significant developments of hydrostatics and mechanics, besides specific gravity and the lever, the germs of which are at least attributed to Archimedes. Education: How Old The New 2011-01-14T03:00:54.370Z As you are acquainted with decimal arithmetic, you will understand what I mean, when I tell you, that water being called 1000, the specific gravity of air, will be 1.2. Conversations on Natural Philosophy, in which the Elements of that Science are Familiarly Explained 2011-07-12T02:00:28.027Z Barytes scratches easily with the knife, and from its great specific gravity is often called heavy-spar. Geology 2011-02-20T03:00:12.660Z Among these are an apparatus for distilling water, another for measuring the level of water, and a third an instrument for determining the specific gravity of liquids—what we should now call an areometer. Woman in Science With an Introductory Chapter on Woman's Long Struggle for Things of the Mind 2011-01-12T03:00:29.853Z If sea-water were fresh, evaporation would not produce any change in its specific gravity. Memoirs of Service Afloat, During the War Between the States 2011-01-04T03:01:01.887Z Archimedes realized the application of the principle of specific gravity in the solution of such problems while he was taking a bath. Education: How Old The New 2011-01-14T03:00:54.370Z I shall now explain to you the meaning of the specific gravity of bodies. Conversations on Natural Philosophy, in which the Elements of that Science are Familiarly Explained 2011-07-12T02:00:28.027Z But erelong the greater specific gravity of the sea-water forces off large segments from the terminal front of the ice, which float away as icebergs. Geology 2011-02-20T03:00:12.660Z They spoke to Lilly of "spiritual high pressure" and the "specific gravity of related individualities," themes which did Lilly's soul good. The Song of Songs 2011-01-01T03:00:25.907Z Waters to be at rest must have the same temperature and specific gravity. Memoirs of Service Afloat, During the War Between the States 2011-01-04T03:01:01.887Z The specific gravity of biotite is, as a rule, higher than that of other micas, varying from 2.7 to 3.1 according to the amount of iron present. Encyclopaedia Britannica, 11th Edition, Volume 3, Slice 7 "Bible" to "Bisectrix" 2010-12-20T17:12:05.780Z Mrs. B. It is rather the weight of a body compared with a portion of water equal to it in bulk; for the specific gravity of many substances, is less than that of water. Conversations on Natural Philosophy, in which the Elements of that Science are Familiarly Explained 2011-07-12T02:00:28.027Z But significant fractions of crude oil consist of asphaltenes and other complex substances with specific gravities around 1.4g/cubic cm, ie greater than seawater. Letters: BP's spill of oil in troubled waters 2010-06-03T23:05:00Z The way to detect the cheat is by testing the specific gravity of the article. A Treatise on Physiology and Hygiene For Educational Institutions and General Readers Here are powerful agencies at work, changing both the temperature, and specific gravity of the waters. Memoirs of Service Afloat, During the War Between the States 2011-01-04T03:01:01.887Z It forms large triclinic prisms of specific gravity 2.6-2.7, which are moderately soluble in cold water and readily soluble in hot water. Encyclopaedia Britannica, 11th Edition, Volume 3, Slice 7 "Bible" to "Bisectrix" 2010-12-20T17:12:05.780Z Its hardness is about 3 and its specific gravity 3.7, while its colour presents various shades of green, usually dark. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 7 "Arundel, Thomas" to "Athens" A ship floats by the same laws of specific gravity and equilibrium as a tree uprooted by the wind and blown into the water. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 6 "Armour Plates" to "Arundel, Earls of" Baryta is a heavy greyish powder of specific gravity 4.7, obtained by burning barium in oxygen or from barium nitrate or barium carbonate. The New Gresham Encyclopedia. Vol. 1 Part 3 Atrebates to Bedlis It passes through various shades of colour, from white to yellow, green, blue, and occasionally red, scratches fluor-spar but is scratched by felspar, and has a specific gravity of about 3.5. The New Gresham Encyclopedia. Vol. 1 Part 2 Amiel to Atrauli The alcohol content of an aqueous solution may be deduced from a determination of the specific gravity of the solution or directly by the Alcoholometer. The New Gresham Encyclopedia. Vol. 1 Part 1 A to Amide It is a nonvolatile white powder, and has a specific gravity of 6.6952; it is insoluble in water and almost so in acids—concentrated hydrochloric acid dissolving a small quantity. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 2 "Anjar" to "Apollo" Its specific gravity is 3.7; it is only slightly soluble in cold water, but is more soluble in hot water, the solution reacting faintly acid. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 6 "Armour Plates" to "Arundel, Earls of" Its specific gravity is about 3.2; lustre vitreous; hardness sufficient to scratch glass; colour usually dark. The New Gresham Encyclopedia. Vol. 1 Part 3 Atrebates to Bedlis The saltness and specific gravity of the Atlantic gradually diminish from the tropics to the poles, and also from within a short distance of the tropics to the equator. The New Gresham Encyclopedia. Vol. 1 Part 2 Amiel to Atrauli Alcoholom′eter, an instrument constructed on the principle of the hydrometer, to determine from the specific gravity of spirituous liquors the percentage of alcohol they contain, the scale marking directly the required proportion. The New Gresham Encyclopedia. Vol. 1 Part 1 A to Amide The angle between the perfect rhombohedral cleavages is 73� 48′, the hardness 3� to 4, and the specific gravity 2.9 to 3.1; but these will vary slightly with the chemical composition. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 2 "Anjar" to "Apollo" Ordinary sulphuric ether of specific gravity 720-730 is usually considered the best, and a quarter of a pint will keep an ordinary small-bore jet going for nearly two hours. Optical Projection Part 1: Projection of Lantern Slides During the first period their specific gravity is greater than that of the surrounding medium, and they rest immobile at the bottom of the vessel in which they are sown. The Mechanism of Life The upper stratum is struck at a depth of 600 to 700 ft., and yields a natural liquid fuel of heavy specific gravity. Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 3 "Borgia, Lucrezia" to "Bradford, John" The same hydrate can be prepared by dissolving borax in water until the solution has a specific gravity of 1.246 and then allowing the solution to cool. Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 2 "Bohemia" to "Borgia, Francis" Deep down in her heart, Margaret had stored away all the bitterness of her life—that single drop which is well enough when left by itself, because it is of a different specific gravity. The Master's Violin The slight variations in specific gravity are due to the presence of small amounts of arsenic, sulphur or tellurium, or to enclosed impurities. Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 1 "Bisharin" to "Bohea" As they grow, they absorb water and their specific gravity diminishes. The Mechanism of Life Their specific gravity varied with their porosity; the most compact attained 2�75.4. The Eruption of Vesuvius in 1872 The initial charge should be maintained for at least ten hours after the time when the voltage and specific gravity have reached a maximum. Cyclopedia of Telephony and Telegraphy, Vol. 2 A General Reference Work on Telephony, etc. etc. Mercury is of about the specific gravity of iron, while that of Saturn corresponds with that of cork in the matter of density and specific gravity. Cordwood The difference in the specific gravity at the beginning and end of the test multiplied by 0.23 gives the percentage of sugar in the urine. Dietetics for Nurses They do not lose or gain water, it is true, and they retain their volume and their specific gravity. The Mechanism of Life The hardness of chabazite is 4�, and the specific gravity 2.08-2.16. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 7 "Cerargyrite" to "Charing Cross" This correction is made by adding .001 specific gravity for each three degrees in temperature above 70� Fahrenheit, or subtracting the same amount for each three degrees below 70� Fahrenheit. Cyclopedia of Telephony and Telegraphy, Vol. 2 A General Reference Work on Telephony, etc. etc. There appears to be no doubt that the deserted chambers of the nautilus shell contain in the healthy living animal a gas which serves to lessen the specific gravity of the whole organism. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 6 "Celtes, Konrad" to "Ceramics" In chronic Bright’s disease and diabetes insipidus, the specific gravity is low. Dietetics for Nurses The figure he gives for the specific gravity of the earth is 5.48, water being 1, but in fact the mean of the 29 results he records works out at 5.448. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 5 "Cat" to "Celt" It is a white powder of specific gravity 3.912, easily soluble in cold water. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 7 "Cerargyrite" to "Charing Cross" Readings should be taken hourly of the specific gravity and temperature of the electrolyte, voltage of the cells, and amperage of charging current. Cyclopedia of Telephony and Telegraphy, Vol. 2 A General Reference Work on Telephony, etc. etc. The quality of Portland cement is ascertained by its analysis and by determining its specific gravity, fineness, mechanical strength and soundness. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 6 "Celtes, Konrad" to "Ceramics" Method of Determining Specific Gravity.—The specific gravity is determined by the use of an instrument known as a urinometer. Dietetics for Nurses The manufactures of vegetable textiles and of paper are based upon the fibrous forms of the naturally occurring celluloses, together with such structural qualities as are expressed in the terms strength, elasticity, specific gravity. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 5 "Cat" to "Celt" The metal has somewhat the appearance of iron, and has a specific gravity of 6.628, which, after melting, is increased to 6.728. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 7 "Cerargyrite" to "Charing Cross" During the overcharge the voltage of the battery and the specific gravity of the pilot cell should be taken every fifteen minutes from the time the gasing begins. Cyclopedia of Telephony and Telegraphy, Vol. 2 A General Reference Work on Telephony, etc. etc. For although the specific gravity of the compound mass may cause it to sink, it may still be very buoyant, and easily borne along by a feeble current. Principles of Geology or, The Modern Changes of the Earth and its Inhabitants Considered as Illustrative of Geology When no further reduction is obtained, the specific gravity is taken after the urine has reached a temperature of 76°. Dietetics for Nurses Its specific gravity is .96, a little less than that of water, and it dissolves freely in alcohol, ether and glacial acetic acid. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 4 "Carnegie Andrew" to "Casus Belli" The mineral may be readily recognized by its characteristic twinning, in conjunction with the adamantine lustre and high specific gravity. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 7 "Cerargyrite" to "Charing Cross" Being slightly cellular, its specific gravity is rather less than that of crystallized diamond. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 3 "Capefigue" to "Carneades" The lava contained augite; and the specific gravity was 2·07 and 2·70. Principles of Geology or, The Modern Changes of the Earth and its Inhabitants Considered as Illustrative of Geology Each specimen is analyzed for volume, specific gravity, total nitrogen, nitrogen concentration, total chloride, and chloride concentration. Dietetics for Nurses It is not intended to give a detailed account of the minerals, but rather to set before the student the most marked characters, such as hardness, specific gravity, color, lustre, etc. The Elements of Blowpipe Analysis The specific gravity of the water is one thousand one hundred and seventy; the same distilled is one thousand. Round the World in Eighty Days Its specific gravity ranges between 1008 and 1018; the mineral salts present are the same and in about the same proportion as those of blood, nor do they vary with the position of the exudation. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 7 "Drama" to "Dublin" We may take the mean specific gravity of the rock at 2·655,—a fair average, and a convenient one in such computations, because at such a rate a cubic yard weighs two tons. Principles of Geology or, The Modern Changes of the Earth and its Inhabitants Considered as Illustrative of Geology The specific gravity of normal urine varies from 1012 to 1024, that is, in a thousand cubic centimeters of urine there are found from 11 to 18 grams of solid material. Dietetics for Nurses At the same time the rock becomes crystalline, its minute structure is altered, its fossils are effaced, and as dolomite has a higher specific gravity than limestone, contraction results and cavities are formed. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 6 "Dodwell" to "Drama" Thus the diver can control his specific gravity and rise or sink at will. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 5 "Dinard" to "Dodsworth" The latter has a specific gravity of say 19, and therefore sinks when it is carried upon a bath of fluid quicksilver, with a specific gravity of say 13.6. The Galaxy, May, 1877 Vol. XXIII.—May, 1877.—No. 5. Now the specific gravity of many of our rocks is from 2½ to 3, and the greater part of the metals range between that density and 21. Principles of Geology or, The Modern Changes of the Earth and its Inhabitants Considered as Illustrative of Geology It's only a tertiary planet—less than one-eighth of Earth's volume—but its specific gravity is enormous. Rich Living Storm-fogs are of a composite character; various gases of unequal specific gravity combine with the vapour of water, and arrange themselves, layer over layer, in an order which divides the dense mist into zones. Toilers of the Sea As they are richer in the dark coloured ferromagnesian minerals they are usually grey or dark grey, and have a higher specific gravity than granite. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 5 "Dinard" to "Dodsworth" The sand with which the metal is mixed has a specific gravity of only 2.6 to 5, and floats over the mercury bath and away into the waste, thus effecting the desired separation. The Galaxy, May, 1877 Vol. XXIII.—May, 1877.—No. 5. Hence some have imagined that the terrestrial nucleus may be metallic—that it may correspond, for example, with the specific gravity of iron, which is about 7. Principles of Geology or, The Modern Changes of the Earth and its Inhabitants Considered as Illustrative of Geology Acids, gases, specific gravity, and chemical equations were the only delight of his life, and he pursued his experiments with all the ardor of the old seekers of the philosopher's stone. Children's Stories in American Literature, 1660-1860 If we plant a tree forming a wood of low specific gravity, we get a large volume of wood, and this is the case with the White Pine. Garden and Forest Weekly, Volume 1 No. 1, February 29, 1888 For handling materials of greater specific gravity, such as cement, &c., it is advisable to use a smaller pitch than for substances of lower specific gravity, such as grain. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 3 "Convention" to "Copyright" As far as I can see, thought Karnes, it's nothing but a piece of acid-proof plastic, except that the specific gravity is way the hell too high. Instant of Decision Hence, as the force of the stream augments or decreases, the materials thrown down in successive layers at particular places are rudely sorted, according to their dimensions, form, and specific gravity. Principles of Geology or, The Modern Changes of the Earth and its Inhabitants Considered as Illustrative of Geology Their seeds are often so minute, of such small specific gravity, or so furnished with downy or winged appendages, as to be carried by the wind for enormous distances. Island Life Or the Phenomena and Causes of Insular Faunas and Floras It is remarkable that there is hardly any difference in the specific gravity of the wood of the White Pine grown in Europe and in its native country. Garden and Forest Weekly, Volume 1 No. 1, February 29, 1888 As obtained by the reduction of the chloride, it is a steel grey powder of specific gravity 7.06. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 6 "Cockaigne" to "Columbus, Christopher" The following table gives the specific gravity of various ancient and modern forms of lava, ashes, etc. of Etna:— Sp. Etna A History of the Mountain and of its Eruptions The specific gravity is low when not brought up by an excessive amount of earthy matter. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5 "Clervaux" to "Cockade" It stands upright and remains deeper or higher according to the specific gravity. The Bacillus of Long Life a manual of the preparation and souring of milk for dietary purposes, together with and historical account of the use of fermente I collected in Central Wisconsin wood-sections of a tall tree and compared the specific gravity with the wood of a full-grown tree of White Pine from a Bavarian forest. Garden and Forest Weekly, Volume 1 No. 1, February 29, 1888 The specific gravity of an infusion of chicory is also much higher than that of coffee. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 6 "Cockaigne" to "Columbus, Christopher" It possesses a specific gravity of 3·147, and shows a metallic lustre similar to that of steel. Etna A History of the Mountain and of its Eruptions The bobs are usually made of a compound of lead, antimony, and tin, which forms a hard metal, free from bubbles and with a specific gravity of about 10. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5 "Clervaux" to "Cockade" The difference in specific gravity between cream and milk is taken advantage of in the mechanical separator, now so much used, and which makes such a thorough separation between the two. The Bacillus of Long Life a manual of the preparation and souring of milk for dietary purposes, together with and historical account of the use of fermente In both trees the specific gravity slightly increased from the base to the top. Garden and Forest Weekly, Volume 1 No. 1, February 29, 1888 The hardness of cinnabar is 3, and its specific gravity 8.998. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 4 "Cincinnatus" to "Cleruchy" In the amorphous state it is a dull green, almost infusible powder, but as obtained from chromium oxychloride it is deposited in the form of dark green hexagonal crystals of specific gravity 5.2. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 3 "Chitral" to "Cincinnati" In a suitable place provision is made for watching the colour, the specific gravity, and the general appearance of the distillates. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5 "Clervaux" to "Cockade" This is the average figure for good milk, corresponding to a specific gravity of 1.0315; 66 anything above this is all to the good. The Bacillus of Long Life a manual of the preparation and souring of milk for dietary purposes, together with and historical account of the use of fermente Upon inspecting the substance, he found it weighed 59 lbs., was extremely hard, of a dull, metallic color, and of a specific gravity considerably greater than that of common marble. Harper's New Monthly Magazine, Volume 1, No. 4, September, 1850 He found that whenever the specific gravity of the blood was raised to ten degrees above the normal standard, and remained so for a short time, cataract followed. The Galaxy, Volume 23, No. 2, February, 1877 The strongest aqueous solution of hydrochloric acid at 15� C. contains 42.9% of the acid, and has a specific gravity of 1.212. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 3 "Chitral" to "Cincinnati" The next fraction is the “heavy oil” or “creosote oil,” of specific gravity 1.04. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5 "Clervaux" to "Cockade" Smaller fuel tanks could be used because of the greater fuel economy of the diesel, and also because of the high specific gravity of fuel oil as compared to gasoline. The First Airplane Diesel Engine: Packard Model DR-980 of 1928 And hence, if the specific gravity of water be called 1000, the proportional specific gravities of all other bodies will nearly express the number of averdupois ounces in a cubic foot. Elements of Chemistry, In a New Systematic Order, Containing all the Modern Discoveries The specific gravity of the entire globe when sealed up tight with two men in it is only a little more than unity. Astounding Stories of Super-Science, December 1930 The specific gravity bottle may be used to determine the relative density of a solid which is available in small fragments, and is insoluble in the standard liquid. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 2 "Demijohn" to "Destructor" The end cannot be judged by the thermometer, but by the appearance and quantity of the distillate 598 and its specific gravity. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5 "Clervaux" to "Cockade" Under its influence the urine becomes copious, the muddy brickdust deposit disappears, and the normal specific gravity and action upon litmus paper is restored. Buxton and its Medicinal Waters Hence the gas furnished, during experiments from the machine, will not have the same density towards the end that it had at the beginning, as its specific gravity is continually diminishing. Elements of Chemistry, In a New Systematic Order, Containing all the Modern Discoveries These, when once inflated, contain air, under all circumstances, which renders their specific gravity much less than water; hence the vulgar term, lights, for these organs. A Treatise on Anatomy, Physiology, and Hygiene (Revised Edition) The colour is deep cherry-red to brown or black, and the crystals are transparent or translucent with a greasy lustre; the streak is orange-yellow to brown; specific gravity 5.9 to 6.2; hardness 3�. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 2 "Demijohn" to "Destructor" Oil of cloves is readily soluble in alcohol and ether, and has a specific gravity of about 1.055. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5 "Clervaux" to "Cockade" This will oblige him to compare them as to specific gravity. Émile or, Concerning Education; Extracts By the specific gravity of any substance is understood the quotient of its absolute weight divided by its magnitude, or, what is the same, the weight of a determinate bulk of any body. Elements of Chemistry, In a New Systematic Order, Containing all the Modern Discoveries Its specific gravity is a very little greater than distilled water. A Treatise on Anatomy, Physiology, and Hygiene (Revised Edition) They have a specific gravity of 2.307, and contain as much as 92 per cent of carbonate of lime with carbonate of magnesia and organic matter. Special Report on Diseases of Cattle Its specific gravity is about 1.2; its colour may vary from light yellow to dark brown or black. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5 "Clervaux" to "Cockade" Moreover, is it not probable that the specific gravity of the hairless human body is greater than that of the hair-covered animal, and that it sinks, while that of the cat or dog floats? Ways of Nature Thus, if we wish to determine the specific gravity of gold flattened under the hammer, and supposing the piece of gold to weigh 8 oz. Elements of Chemistry, In a New Systematic Order, Containing all the Modern Discoveries But all the impurities above referred to rise at once towards the cieling, because of the lessened specific gravity of air when heated, and there they would at once escape by a fit opening. The Claims of Labour an essay on the duties of the employers to the employed They have a specific gravity of 2.301 and a composition almost identical with the second variety. Special Report on Diseases of Cattle The mineral is brittle, and possesses distinct cleavages parallel to the faces of the cube; hardness 5�; specific gravity 6.2. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5 "Clervaux" to "Cockade" Riffles, and all the devices to get the benefit of specific gravity, are of little use to arrest this "float-gold," so amalgamation is employed. Hittel on Gold Mines and Mining When the specific gravities of acid liquors are to be ascertained, we must use a glass hydrometer, as represented Pl. vii. fig. Elements of Chemistry, In a New Systematic Order, Containing all the Modern Discoveries Their bodies, large and of double the specific gravity, were not easily handled where gravity was nearly three times their own. Astounding Stories of Super-Science, November, 1930 Their specific gravity may be 3.441, and they contain oxalate of lime to the extent of 81 per cent, together with carbonates of lime and magnesia and organic matter. Special Report on Diseases of Cattle The second objection, still more manifestly fatal, is the low specific gravity of the Sun. Essays: Scientific, Political, & Speculative, Vol. I In most sluices, the quicksilver is put in above the riffle-bars at various places along in the boxes, with a confidence that the great specific gravity of the metal will prevent it from being lost. Hittel on Gold Mines and Mining In general, the specific gravity of water is augmented by holding salts in solution; but there are some exceptions to the rule. Elements of Chemistry, In a New Systematic Order, Containing all the Modern Discoveries Regular differences exist between men and women; the latter have, with the same amount of hæmoglobin, a specific gravity lower by 2 to 2.5. Histology of the Blood Normal and Pathological Their specific gravity is 1,760, water being 1,000, and they contain 74 per cent of carbonate of lime with some carbonate of magnesia, organic matter, and a trace of carbonate of iron. Special Report on Diseases of Cattle Differences of temperatures; for, other things equal, those having higher temperatures will have lower specific gravities. Essays: Scientific, Political, & Speculative, Vol. I The chemical process is amalgamation; the mechanical are those wherein the gold is caught on a rough surface with the aid of its specific gravity. Hittel on Gold Mines and Mining Gives the specific gravities of a great number of bodies, with columns, containing the weights of a cubical foot and inch, French measure, of all the substances. Elements of Chemistry, In a New Systematic Order, Containing all the Modern Discoveries Hence the estimation of the specific gravity is often sufficient for the determination of the relative amount of hæmoglobin of a blood. Histology of the Blood Normal and Pathological Neither nitrous air, nor common air saturated with nitrous air, differ in specific gravity from common air. Experiments and Observations on Different Kinds of Air From the mechanical arrangements of the Solar System, turn we now to its physical characters; and, first, let us consider the inferences deducible from relative specific gravities. Essays: Scientific, Political, & Speculative, Vol. I The large pieces of the metal would all be caught by their specific gravity without the aid of amalgamation. Hittel on Gold Mines and Mining Some hydrometers are not marked with figures that indicate the specific gravity, but are marked with the words "Charged," "Half Charged," "Discharged," or "Full," "Half Full," "Empty," in place of the figures. The Automobile Storage Battery Its Care And Repair It is only in cases of nephritis and in circulatory disturbances, and in leukæmia, that the relations between specific gravity and quantity of hæmoglobin are too much masked by other influences. Histology of the Blood Normal and Pathological Perhaps an accurate attention to the specific gravity of air procured from these different materials, and in these different states, may determine this matter, and assist us in investigating the nature of phlogiston. Experiments and Observations on Different Kinds of Air In specific gravity, too, we may note the like. Essays: Scientific, Political, & Speculative, Vol. I But certain properties, such as specific gravity, may vary greatly among materials equally satisfactory for construction purposes. American Rural Highways Thus if the hydrometer sinks in the electrolyte until the electrolyte comes up to the 1.150 mark on the stem, the specific gravity is 1.150. The Automobile Storage Battery Its Care And Repair Considerable diminutions in the specific gravity of the serum are much less frequently observed in primary blood diseases, than in chronic kidney diseases, and disturbances of the circulation. Histology of the Blood Normal and Pathological Acid air not being so manageable as most of the other kinds of air, I had recourse to the following peculiar method, in order to ascertain its specific gravity. Experiments and Observations on Different Kinds of Air Trees and plants, in common with insects, reptiles, mammals, birds, are all of a specific gravity considerably less than the earth and immensely greater than the air. Essays: Scientific, Political, & Speculative, Vol. I The filtered liquid will weigh about five and a quarter pounds, is transparent, colourless, and of the specific gravity of 1.267. North American Medical and Surgical Journal, Vol. 2, No. 3, July, 1826 It is a good plan to take a specific gravity reading before adding any water, since accurate results can also be obtained in this way. The Automobile Storage Battery Its Care And Repair A method closely related to the estimation of the specific gravity is the direct estimation of the dried substance of the total blood, "Hygræmometry"; the clinical introduction of which we owe to Stintzing and Gumprecht. Histology of the Blood Normal and Pathological I could not find any considerable alteration in the specific gravity of the air, in which candles, or brimstone, had burned out. Experiments and Observations on Different Kinds of Air By tracing out the process of planetary condensation, we are led to conclusions respecting the physical states of planets which explain their anomalous specific gravities. Essays: Scientific, Political, & Speculative, Vol. I The quantity of urine passed daily, when I first examined it, was six or eight pints; its specific gravity was 1.038, and it contained a large proportion of very white sugar and very little urea. North American Medical and Surgical Journal, Vol. 2, No. 3, July, 1826 It is the condition of the plates, and not the specific gravity of the electrolyte which determines when a battery is either charged or discharged. The Automobile Storage Battery Its Care And Repair The figures so obtained for the dried substance have a certain independent importance; for they do not run quite parallel with those of the specific gravity, amount of hæmoglobin or number of corpuscles. Histology of the Blood Normal and Pathological Yet, immense as the accumulated loss may be, the major part of it has been occasioned from an ignorance of one of the first laws of nature, that of specific gravity. The Pirate, and The Three Cutters Thus interpreted then, the various specific gravities of the planets may be held to furnish further evidences supporting the Nebular Hypothesis. Essays: Scientific, Political, & Speculative, Vol. I For it is well known, that the specific gravity of common glass, of which sort this model is made, is to that of water, as 2.620 to 1.000. Remarks Concerning Stones Said to Have Fallen from the Clouds, Both in These Days, and in Antient Times With a specific gravity of 1.150, the electrolyte freezes at about 5° above zero. The Automobile Storage Battery Its Care And Repair He employs mixtures of gum and water, and instead of several tubes, one only; and into this the mixtures are introduced, those of higher specific gravity being naturally at the bottom. Histology of the Blood Normal and Pathological Before learning how a boat floats, what is known as "specific gravity" must be thoroughly understood. Boys' Book of Model Boats A certain amount of milk is mixed with a certain amount of Commercial Sulphuric acid of a specific gravity 1.83 which is added by degrees and thoroughly shaken up with the milk. How Girls Can Help Their Country In order to re-establish the equilibrium between the specific gravity of the balloon and the weight which had thus proved wanting, I replaced my companions by more sacks of sand, and got into the car. A Winter Amid the Ice and Other Thrilling Stories There is a danger present, however, because with an excess of electrolyte the plates will be discharged before the specific gravity of the electrolyte falls to 1.150. The Automobile Storage Battery Its Care And Repair Great importance has always been attached to the investigation of the specific gravity of the blood; since the density of the blood affords a measure of the number of corpuscles, and of their hæmoglobin equivalent. Histology of the Blood Normal and Pathological Some substances are heavier than others; or, to be more correct, it is said that the specific gravity of one substance is greater than that of another. Boys' Book of Model Boats Their specific gravity is enormous, beyond anything known to physical science unless it would be the hypothetical neutron masses we think are in certain stars. Astounding Stories of Super-Science February 1930 We can judge of the specific gravity of the air in our neighbourhood by means of the barometer, which means "weight-measurer." How it Works Dealing in simple language with steam, electricity, light, heat, sound, hydraulics, optics, etc., and with their applications to apparatus in common use Use starter and lights sparingly until the specific gravity comes up to 1.280-1.300. The Automobile Storage Battery Its Care And Repair If their number diminishes, or their number remaining constant, they lose in hæmoglobin, or in volume, the specific gravity would be correspondingly lowered. Histology of the Blood Normal and Pathological The specific gravity of a substance is always expressed by a figure that tells how much heavier any substance is than water, because water has been chosen as a standard. Boys' Book of Model Boats Iron, entering the body as a volatile vitriolic acid, cannot act by its specific gravity as mercury does; it therefore acts per accidens, and not per se. A Treatise on Foreign Teas Abstracted From An Ingenious Work, Lately Published, Entitled An Essay On the Nerves About a year after, in 1788, he made "a pretty instrument for determining the specific gravities of liquids," having, he says to Dr. Black, improved on a hint he had taken. Great Men and Famous Women. Vol. 6 A series of pen and pencil sketches of the lives of more than 200 of the most prominent personages in History If the specific gravity is less than 1.150 remove the battery from the car and charge it on the charging bench, as explained later. The Automobile Storage Battery Its Care And Repair Hammerschlag has found in a large number of experiments that the relation between the specific gravity and the amount of hæmoglobin is much closer than between the specific gravity and the number of corpuscles. Histology of the Blood Normal and Pathological A cubic foot of oak, however, would weigh only 54 pounds, because it has been found that it has a specific gravity of only 0.86 which is less than water. Boys' Book of Model Boats Clayton, not satisfied to practice just the art of observation, utilized the science of comparative weights hoping to find diseases distinguished by minute variations in the specific gravity of the liquid. Medicine in Virginia, 1607-1699 The mountain snow differs in form, as well as in thickness and specific gravity, from the star-shaped snow-flakes on the lower heights and in the valleys. Harper's Young People, February 10, 1880 An Illustrated Weekly The section having the greatest resistance in its circuit will receive the least amount of charge, and will show lower specific gravity readings than for other sections. The Automobile Storage Battery Its Care And Repair The specific gravity of the hours varies less and less with loneliness and companionship as we draw nearer to the last one of all—the heaviest or lightest, which will it be? Somehow Good In the first Chapter of the book it was pointed out that the specific gravity of different woods varies, and therefore the buoyancy will vary. Boys' Book of Model Boats This was the first attempt to measure the specific gravity of different substances; that is, the weight of any particular substance compared to an equal bulk of some other substance taken as a standard. Harper's Young People, February 3, 1880 An Illustrated Weekly Floods certainly do at times accumulate, in great heaps, bodies of the same specific gravity; and why might not a universal flood have accumulated on this special tract of drift, the carcasses of many elephants? The Testimony of the Rocks or, Geology in Its Bearings on the Two Theologies, Natural and Revealed The change in specific gravity amounts to one point, approximately, for every three degrees Fahrenheit. The Automobile Storage Battery Its Care And Repair Their gigantic size, low specific gravity, and rapid rotation, obviously from the first threw the "superior" planets into a class apart; and modern research has added qualities still more significant of a dissimilar physical constitution. A Popular History of Astronomy During the Nineteenth Century Fourth Edition It will be well to keep in mind that specific gravity merely refers to weight. Boys' Book of Model Boats The specific gravity method is of especial value in distinguishing between the various colorless stones, as, for example, quartz crystal, true white topaz, white sapphire, white or colorless beryl, etc. A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public It is known that the fish can greatly lighten the specific gravity of its body by the inflation of its “swim-bladder,” which, when perfectly extended, occupies nearly the entire cavity of its abdomen. The Ocean Waifs A Story of Adventure on Land and Sea A specific gravity of 1.150 is always taken to indicate that a battery is discharged, and a specific gravity of 1.280 that a battery is charged. The Automobile Storage Battery Its Care And Repair While, if any one were to propose for investigation the common properties of all things which are of the same color, the same shape, or the same specific gravity, the absurdity would be palpable. A System Of Logic, Ratiocinative And Inductive For the purpose of road building, it is necessary to consider a stone's resistance to abrasion, hardness, toughness, cementing value, absorption, and specific gravity. The Economic Aspect of Geology The specific gravities are very different, however, and readily serve to distinguish them. A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public Both must succumb to the laws of Nature,—the laws of gravitation,—or rather of specific gravity,—and sink below the surface,—down, down into the fathomless and unknown abysm of the ocean. The Ocean Waifs A Story of Adventure on Land and Sea The temperature of the electrolyte affects the specific gravity, since heat causes the electrolyte to expand. The Automobile Storage Battery Its Care And Repair Gases of different specific gravity mix uniformly, under favorable circumstances. Popular Education For the use of Parents and Teachers, and for Young Persons of Both Sexes From these rocks it is separated by weathering, disintegration, and stream transportation, and, having a high specific gravity, it becomes concentrated in placers. The Economic Aspect of Geology The stone was removed from its setting and two specific gravity determinations made by means of a specific gravity bottle and a fine chemical balance. A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public Take the specific gravity, and if above 1010, dilute with sterile water till this gravity is reached. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. If we take any battery or cell and heat it, the electrolyte will expand and its specific gravity will decrease, although the actual amount of acid is the same. The Automobile Storage Battery Its Care And Repair They were trying the specific gravities of objects; and the devices which they employed, the mechanical shifts to which they were put, were often of the rudest kind. Lives of the Engineers The Locomotive. George and Robert Stephenson All these minerals are relatively insoluble and have high specific gravity, and as a consequence they are frequently accumulated in placers, along with cassiterite and other stable, heavy minerals. The Economic Aspect of Geology If the water thus displaced were caught and weighed, and the weight of the stone then divided by the weight of the water displaced, we would have the specific gravity number of the stone. A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public Take the specific gravity, and, if above 1010, dilute with sterile water until that gravity is reached. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. If the electrolyte has a gravity of 1.250 at 70°F, and the temperature is raised to 73°F, the specific gravity of the battery will be 1.249. The Automobile Storage Battery Its Care And Repair Their great specific gravity, also, makes the precious metals easy of transportation. Principles Of Political Economy Rutile and ilmenite both have high specific gravity and are little affected by weathering. The Economic Aspect of Geology The weight of the stone being known we now have merely to divide the weight of the stone by the weight of the displaced water, and we have the specific gravity number. A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public Take the specific gravity and if above 1010, dilute with sterile water till this gravity is reached. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. If the temperature is decreased to 67°F, the specific gravity will be 1.251. The Automobile Storage Battery Its Care And Repair Ordinary ammonia liquor of commerce of 0.880 specific gravity, which contains about 38 per cent. by weight of pure ammonia and 62 per cent. of water, is introduced into a vessel named the generator. Scientific American Supplement, No. 647, May 26, 1888 These oils differ from olive and tea oil, however, in having a higher specific gravity, and in the property they possess of drying to a greater or less extent on exposure to air. Scientific American Supplement, No. 488, May 9, 1885 Reference to a table of specific gravities of precious stones will enable us to name our stone. A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public Its specific gravity of 4.5 is about twice as great as that of salt and of many other colourless, transparent and glassy minerals not unlike barytes in general appearance. Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 3 "Banks" to "Bassoon" The pure acid has a "specific gravity" of 1.835, that is, it is 1.835 times as heavy as an equal volume of water. The Automobile Storage Battery Its Care And Repair The brine pipes cool the adjacent air, which, in consequence of its greater specific gravity, descends, being replaced by warmer air, which in turn becomes cold, and so the process goes on. Scientific American Supplement, No. 647, May 26, 1888 Continue the charging operation until the cells begin to give off gas freely; or until the specific gravity of the electrolyte, measured by the hydrometer, stands at 1.24. Electricity for the farm Light, heat and power by inexpensive methods from the water wheel or farm engine It was not explained, however, how one would proceed to get the specific gravity of a stone too large to go in the neck of a specific gravity bottle. A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public The chloride crystallizes in colourless rhombic tables of specific gravity 3.0 and is readily soluble in water, but is almost insoluble in concentrated hydrochloric acid and in absolute alcohol. Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 3 "Banks" to "Bassoon" In order that the value of the specific gravity may be used as an indication of the amount of energy in a battery, the history of the battery must be known. The Automobile Storage Battery Its Care And Repair Third, by an approximation based upon a calculation from the specific gravities of the predominant minerals in the ore. Principles of Mining Valuation, Organization and Administration Peat, which has a specific gravity of but 0.25, may be and is employed as fuel. Peat and its Uses as Fertilizer and Fuel When the learner can determine specific gravities with some certainty he should then try unknown gems. A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public The following year he invented an instrument for determining the specific gravities of liquids, which was generally adopted. James Watt Again, if pure water is used to replace electrolyte which has been spilled, the specific gravity will be lower than it should be. The Automobile Storage Battery Its Care And Repair The ratio of cubic feet to tons depends on the specific gravity of the ore, its porosity, and moisture. Principles of Mining Valuation, Organization and Administration It is asserted by some, that, because peat can be condensed so as to approach anthracite in specific gravity, it must, in the same ratio, approach the latter in heating power. Peat and its Uses as Fertilizer and Fuel It should be added that the synthetic stones show the same specific gravities as their natural counterparts, so that this test does not serve to detect them. A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public He also made an instrument for determining the specific gravity of liquids, and a year after this he "found out a method of working tubes of the elastic resin without dissolving it." James Watt The specific gravity of the electrolyte should be measured every two weeks and a permanent record of the readings made for future reference. The Automobile Storage Battery Its Care And Repair There is thus a differential enrichment of silver in the upper two zones, due to the reduction in specific gravity of the ore by the removal of associated metals. Principles of Mining Valuation, Organization and Administration Its specific gravity is 1.14, and its quality as fuel is excellent. Peat and its Uses as Fertilizer and Fuel However, in general if one has a yellow stone to determine it will be safer to make specific gravity or hardness tests, or both, before deciding, rather than to rely upon color. A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public This tends to bring the gold to the bottom on account of its greater specific gravity. From Paris to New York by Land The specific gravity of the electrolyte is the ratio of its weight to the weight of an equal volume of water. The Automobile Storage Battery Its Care And Repair The former treats of weighing water and fluids in general, and of ascertaining their specific gravities; the latter shows the manner of conveying water from one place to another. The Sailor's Word-Book An Alphabetical Digest of Nautical Terms, including Some More Especially Military and Scientific, but Useful to Seamen; as well as Archaisms of Early Voyagers, etc. These three constituents are of unequal weight, or specific gravity, and their separation is the chief process carried on in the dairy. The Stock-Feeder's Manual the chemistry of food in relation to the breeding and feeding of live stock Thus, instead of having a whole series of specific gravities to remember one has only to remember that all the corundum gems have a specific gravity of approximately 4. A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public As fluids always gain their level by specific gravity, the water passes through the valves until none remains above the surface of the deck. A Yacht Voyage Round England For determining the specific gravity, a hydrometer is used. The Automobile Storage Battery Its Care And Repair An instrument constructed to measure the specific gravities of fluids. The Sailor's Word-Book An Alphabetical Digest of Nautical Terms, including Some More Especially Military and Scientific, but Useful to Seamen; as well as Archaisms of Early Voyagers, etc. That of the cow is a little heavier than water—its specific gravity being, on the average, about 1�030, water being 1�000. The Stock-Feeder's Manual the chemistry of food in relation to the breeding and feeding of live stock A specific gravity test requires more time and should be resorted to only when there remains a reasonable doubt after other tests have been applied. A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public In order to dissolve bones, bone ash, or mineral phosphates, they are mixed with from a third to half their weight of sulphuric acid, of specific gravity 1·70 or 140° Twaddell. Elements of Agricultural Chemistry The electrolyte of a fully charged battery with a specific gravity of 1.280 freezes at about 92° below zero. The Automobile Storage Battery Its Care And Repair Few gravels are entirely quartz, and many contain stone having a greater specific gravity like some traps or a less specific gravity like some shales and sandstone. Concrete Construction Methods and Costs A swallow does not rise by displacing a volume of air whose specific gravity is greater than its own, but by using the atmosphere as a fulcrum. Lippincott's Magazine, Vol. 26, August, 1880 of Popular Literature and Science In properties they are essentially alike, having specific gravity 2.66, hardness 7, slight double refraction, etc., the slight differences that exist being due only to the presence of varying amounts of foreign matter. A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public The selective agency of specific gravity which is utilised in gold-washing does not create the original differences between gold-dust and dust of all other kinds. Darwin, and After Darwin (Vol. 1 and 3, of 3) An Exposition of the Darwinian Theory and a Discussion of Post-Darwinian Questions Hence, the time required to reduce this sulphate will be less, and the battery will "come up" faster on charge, although the specific gravity of the electrolyte may not rise to 1.280. The Automobile Storage Battery Its Care And Repair The specific gravity of that hand seemed tremendous; she could imagine it holding down the strong neck of a bull. Mary, Mary We cool the infusion, test its specific gravity, and find it to be 1006 or higher – water being 1000. Fragments of science, V. 1-2 The specific gravity of the triplet is practically that of emerald, its color is often very good, and it is doubly refracting. A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public This liquid, then, enables one to say with certainty whether a given stone has a specific gravity greater or less than 3.3; in the one case it will sink, in the other it will float. Scientific American Supplement, No. 1082, September 26, 1896 Thus if the hydrometer sinks in the electrolyte until the electrolyte comes up to the 1.150 mark on the stem, the specific gravity is 1.150. The Automobile Storage Battery Its Care And Repair It lacks the tensile strength and elasticity, and is of higher specific gravity than true silk. Textiles For Commercial, Industrial, and Domestic Arts Schools; Also Adapted to Those Engaged in Wholesale and Retail Dry Goods, Wool, Cotton, and Dressmaker's Trades A sewing-needle may be similarly kept floating, though its specific gravity is nearly eight times that of water. Fragments of science, V. 1-2 The variously colored spinels, like the various corundums, all have the same properties, thus they are all of hardness 8 or a little higher, they all have single refraction, and all have specific gravity 3.60. A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public Great precautions must be taken, in order to determine the specific gravity with accuracy. Scientific American Supplement, No. 1082, September 26, 1896 If, after the specific gravity of the electrolyte stops rising, it is not of the correct value, some of the electrolyte should be drawn off and stronger electrolyte added in its place. The Automobile Storage Battery Its Care And Repair A whale of great porosity And small specific gravity, Dived down with much velocity Beneath the sea's concavity. The Book of Humorous Verse Absolutely considered, however, this substance, notwithstanding its small specific gravity, exercises a very potent action. Fragments of science, V. 1-2 Lacking a refractometer, the widely differing specific gravities of the two minerals would easily serve to distinguish them. A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public In mentioning the specific gravity I have introduced a property which is not essential to win esteem for a precious stone, but one which is of great value in its identification. Scientific American Supplement, No. 1082, September 26, 1896 A question which may be considered at this point is why in automobile, work a specific gravity of 1.280-1.300 is adopted for the electrolyte of a fully charged cell. The Automobile Storage Battery Its Care And Repair The "Melpomene" is a work of infinitely more specific gravity. Contemporary American Composers Being a Study of the Music of This Country, Its Present Conditions and Its Future, with Critical Estimates and Biographies of the Principal Living Composers; and an Abundance of Portraits, Fac-simile Musical Autographs, and Compositions The fixing of the specific gravity of a stone also determines its group position with regard to weight; its colour and other characteristics defining the actual stone. The Chemistry, Properties and Tests of Precious Stones The hardness is but 7.5, the refraction so strongly double that the edges of the back facets appear double-lined when viewed through the table with a lens, and the specific gravity is 4.69. A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public The table shows very clearly that specific gravity is one such property. Scientific American Supplement, No. 1082, September 26, 1896 The voltage of a battery increases as the specific gravity goes up. The Automobile Storage Battery Its Care And Repair The normal specific gravity of the urine of the horse is about 1.040. Special Report on Diseases of the Horse This is a safe and very common method of proving a stone, since its specific gravity does not vary more than a point or so in different specimens of the same stone. The Chemistry, Properties and Tests of Precious Stones For example, if, size for size, a material, say diamond, is 3.51 times as heavy as water, its specific gravity is 3.51. A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public Every drop of benzene added reduces the specific gravity of the mixture, which can thus easily be made to range between that of chrysolite and that of opal. Scientific American Supplement, No. 1082, September 26, 1896 As mentioned above, the ampere hour rating of a battery is based upon a continuous discharge, starting with a specific gravity of 1.280-1.300, and finishing with 1.150. The Automobile Storage Battery Its Care And Repair The urine is high colored, scant in quantity, and of increased specific gravity, owing to the water being eliminated by the skin instead of the kidneys. Special Report on Diseases of the Horse There are several ways of arriving at this, such as by weighing in balances in the usual manner, by displacement, and by immersion in liquids the specific gravity of which are known. The Chemistry, Properties and Tests of Precious Stones It will be seen that since each substance always has, when pure, the same specific gravity, we have here a means of distinguishing precious stones. A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public The meaning of specific gravity is easily explained. Scientific American Supplement, No. 1082, September 26, 1896 Such a cell will also show a low specific gravity, since electrolyte leaks out and is replaced by water. The Automobile Storage Battery Its Care And Repair The hydrometer is used for measuring the specific gravity of water and other liquids. Orthography As Outlined in the State Course of Study for Illinois Cork is of less specific gravity than water, therefore it floats on the surface of that liquid, whereas iron, being heavier, sinks. The Chemistry, Properties and Tests of Precious Stones A few stones have nearly the same specific gravities, and in such cases it is well to apply other tests also. A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public The specific gravity is then found as follows: First, counterpoise the counterweight. Scientific American Supplement, No. 1082, September 26, 1896 The mixture of acid and water has a specific gravity of about 1.300. The Automobile Storage Battery Its Care And Repair Not only, however, is the level of the atmosphere changed by the heating rays of the sun, but its specific gravity. A Voyage round the World A book for boys If, therefore, solutions of known but varying densities are compounded, it is possible to tell almost to exactitude the specific gravity of any stone dropped into them, by the position they assume. The Chemistry, Properties and Tests of Precious Stones It is very seldom, if ever, the case that we find any two precious stones of the same specific gravity. A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public It is curious that these three exceptional stones lie on the same horizonal line, having all the same specific gravity, 3.5. Scientific American Supplement, No. 1082, September 26, 1896 There must, therefore, be a reasonable degree of certainty that a battery has been properly handled if the specific gravity readings are to be taken as a true indication of the condition of a battery. The Automobile Storage Battery Its Care And Repair Now, when smoke is discharged into air at a temperature of 50° below zero, it is deprived of its heat immediately and falls to the ground by its greater specific gravity. Ten Thousand Miles with a Dog Sled A Narrative of Winter Travel in Interior Alaska This double nitrate has a specific gravity of 4.7963, therefore such a stone as zircon, which is the heaviest known, will float in it. The Chemistry, Properties and Tests of Precious Stones We must next find out how to determine the specific gravity of a precious stone. A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public Hence, to ascertain the specific gravity it is only necessary to suspend the stone by a fine thread to the beam of a balance and weigh it first in air, and then immersed in water. Scientific American Supplement, No. 1082, September 26, 1896 In a starting battery the specific gravity of the electrolyte of a fully charged cell is 1.280-1.300, no matter what the make of the battery may be. The Automobile Storage Battery Its Care And Repair Though boats were not employed, they constructed a catamaran of bark, or decayed wood, of the specific gravity of cork: these materials, tied together, enabled them to pass to the islands of the Straits. The History of Tasmania , Volume II This solution, in full standard strength, has a specific gravity of 3.1789, but may be weakened by the addition of distilled water in varying proportions till the weight becomes almost that of water. The Chemistry, Properties and Tests of Precious Stones Hardness and specific gravity tests will best serve to distinguish pink stones from each other. A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public It appears from this table that those minerals which, by their high refractive power, possess the greatest brilliancy, possess also the highest specific gravity or weightiness; that the precious stones are therefore all heavy minerals. Scientific American Supplement, No. 1082, September 26, 1896 In farm lighting batteries, the different types have different values of specific gravity when fully charged. The Automobile Storage Battery Its Care And Repair The liquid should have a specific gravity of 5° on the acid hydrometer. On Laboratory Arts In many of these cases the specific gravity varies from .11 to .20, but the above are the average figures obtained from a number of samples specially and separately weighed. The Chemistry, Properties and Tests of Precious Stones The number which expresses the relation between the density of any substance and the density of water is called the specific gravity number of the substance. A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public Sphene lies far to the right of the position which it should occupy according to its specific gravity; it possesses an extraordinarily high refractive index, and is, therefore, an extremely brilliant gem stone. Scientific American Supplement, No. 1082, September 26, 1896 Continue the charge until the specific gravity and voltage do not rise during the last 5 hours of the charge. The Automobile Storage Battery Its Care And Repair The process is stopped when the specific gravity of the product reaches 0.832 at 60° F. The specific gravity of pure aldehyde is 0.79 nearly. On Laboratory Arts An alphabetical list of the most useful is here appended, together with their average specific gravities and hardness. The Chemistry, Properties and Tests of Precious Stones Into the remainder were crammed the agent—specific gravity equal to that of two hundred and ninety pounds of feathers—a friend of his and myself. Four Years in Rebel Capitals An Inside View of Life in the Southern Confederacy from Birth to Death As to differences in specific gravity—the yellow larvae that fell in Switzerland January, 1890, were three times the size of the black larvae that fell with them. The Book of the Damned If the specific gravity is below or above these figures, draw off as much electrolyte as you can with the hydrometer. The Automobile Storage Battery Its Care And Repair Dip the paper into nitric acid of 1.433 specific gravity, and subsequently wash and dry it. Practical Mechanics for Boys They remain, we may say, in that social stratum of which the specific gravity is best suited for their existence. The Task of Social Hygiene In fact, the waters of the sea require to be stirred, because numerous agents are at work day and night, from pole to pole, altering their specific gravity and deranging, so to speak, the mixture. The Ocean and its Wonders The addition of cinnamon leaf oil which has a specific gravity at 15° C. of 1.044-1.065 is detected by causing a material rise in the proportion of phenols. The Handbook of Soap Manufacture Be sure to wipe off any electrolyte which you spilled on the battery in adjusting the electrolyte or measuring the specific gravity. The Automobile Storage Battery Its Care And Repair Each of these ten wires had put on it a special coat of its own, made of tarred Manilla yarn, to protect it from rust as well as to lighten its specific gravity. The Battery and the Boiler Adventures in Laying of Submarine Electric Cables Its specific gravity is said to exceed that of any other variety. The Field and Garden Vegetables of America Containing Full Descriptions of Nearly Eleven Hundred Species and Varietes; With Directions for Propagation, Culture and Use. This allowed the gold, on account of its greater specific gravity, to fall to the bottom, while the sand itself was floated off by the agitation. Klondike Nuggets and How Two Boys Secured Them The removal of safrol, either intentionally or by accident, owing to cooling of the oil and consequent deposition of the safrol, is readily detected by the reduction of the specific gravity below 1.06. The Handbook of Soap Manufacture An instrument for measuring the specific gravity of the electrolyte. The Automobile Storage Battery Its Care And Repair You said that the Vandals had some respect for heavy objects, and yours, I am sure, to my cost, had very considerable specific gravity.” Frank Mildmay Or, the Naval Officer Peat, too, in bogs, will float and form islands, for the simple reason that it is of less specific gravity than water; and vegetation will also spring up on these peat islands. Mexico and its Religion With Incidents of Travel in That Country During Parts of the Years 1851-52-53-54, and Historical Notices of Events Connected With Places Visited But you cannot infer that because one floats when thrown into the water the other will float too, for in respect to specific gravity there is no similarity between them. The Parables of Our Lord Prolonged agitation with air has a tendency to oxidise the oil, which increases its specific gravity and refractive index, and will be found in the soap-pan to produce a reddish soap. The Handbook of Soap Manufacture When the specific gravity of the pilot cell indicates that the battery is discharged, a Regular charge is necessary. The Automobile Storage Battery Its Care And Repair The annual migration of the bird over the lofty chain of the Himalayas might not be possible, or if possible, more difficult, without this power of decreasing the specific gravity of its body. The Cliff Climbers A Sequel to "The Plant Hunters" Nitric acid of about 1.15 specific gravity has little action in the cold, and only slowly on it when heated. The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student They also lessen the bird's specific gravity, which must be of some help in flying. Love's Meinie Three Lectures on Greek and English Birds The picnometer should be calibrated with distilled water at 15° C. The specific gravity of solid fats may be taken at an elevated temperature, preferably that of a boiling water bath. The Handbook of Soap Manufacture The freezing temperatures of electrolyte in the Delco-Light batteries depends upon the specific gravity of the battery. The Automobile Storage Battery Its Care And Repair The thing might have been more mysterious, had not Karl from the first suspected the reason why the laws of specific gravity appeared to be thus contradicted. The Cliff Climbers A Sequel to "The Plant Hunters" The specific gravity of this rock is not as high as that of some other specimens of trap tested, which were much more easily drilled. Transactions of the American Society of Civil Engineers, vol. LXVIII, Sept. 1910 The Bergen Hill Tunnels. Paper No. 1154 Would a perfectly round ball of the same specific gravity throughout lie still on a level surface? Scientific American, Volume XLIII., No. 25, December 18, 1880 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures. Other determinations include those of specific gravity, alkalinity, proportion of salts and chloride, and tests for metals, arsenic, sulphur compounds, sugar, and fatty acids. The Handbook of Soap Manufacture Wait 5 minutes and then fill each cell again with 1.335 specific gravity electrolyte to 3/8 inch above the tops of the separators. The Automobile Storage Battery Its Care And Repair Its specific gravity, as it were, is constantly decreasing, and so it steadily rises from the denser to the lighter strata, pausing only when it is exactly balanced for a time. The Astral Plane Its Scenery, Inhabitants and Phenomena What we need and are going to get is a material of about two and a half million specific gravity. Skylark Three The extreme weight or specific gravity of the red renders it liable to sink and separate when compounded with other colours; hence the heavier those mixed with it the better. Field's Chromatography or Treatise on Colours and Pigments as Used by Artists These are readily detected from the specific gravity and fat content of the milk. Human Foods and Their Nutritive Value If it is not between these limits, the specific gravity should be adjusted to these values at the end of the charge. The Automobile Storage Battery Its Care And Repair The large bottle has a specific gravity of 1.80, as it had when I prepared it; that in the vial reads only 1.41. The Skylark of Space This comparative or relative weight is called specific gravity, and in measuring the specific gravity of substances water is taken as the standard usually, though sometimes gold is used for that purpose. The Big Brother A Story of Indian War They tied a rough stone near one end of each of the poles to increase its specific gravity and then proceeded to “feel” for depth along the water’s edge. Campfire Girls at Twin Lakes The Quest of a Summer Vacation The specific gravity of milk is determined by means of the lactometer, an instrument which sinks to a definite point in pure milk. Human Foods and Their Nutritive Value Therefore, one cell called the "Pilot" cell should be selected near the center of the battery and its specific gravity readings taken to indicate the state of charge or discharge of the entire battery. The Automobile Storage Battery Its Care And Repair The lactometer is a little instrument used to estimate the specific gravity of milk. The Mother and Her Child Neither heightened specific gravity, nor greater massiveness, which are the only conceivable integrations of matter, is a mark of the more evolved vital, mental, or social things. Memories and Studies You said you wanted to make a Jolly balance determination of the specific gravity, but the stuff is so dense you'd need only a tiny scrap—and I can't break it loose!” The Black Star Passes Fats have a lower specific gravity than water, usually ranging from .89 to .94, the specific gravity of a fat being fairly constant. Human Foods and Their Nutritive Value If only a small quantity of electrolyte is lost through spilling, the cell should be filled to the proper height with electrolyte of the same specific gravity as in the other cells. The Automobile Storage Battery Its Care And Repair On the other hand, when acidity is very prevalent, it may be mistaken for unattenuated fermentable matter, acidity increasing the density and specific gravity of the fluid. The American Practical Brewer and Tanner Difference in specific gravity between cream and milk. The Wonder Island Boys: The Mysteries of the Caverns But this is because their tissues are so watery, with a specific gravity near that of the salt water. The Outline of Science, Vol. 1 (of 4) A Plain Story Simply Told What effect would addition of such material as sugar have upon specific gravity? Human Foods and Their Nutritive Value If the battery has no pilot cells, measure the specific gravity of the electrolyte of each cell, and continue the charge until six consecutive readings show no increase in gravity. The Automobile Storage Battery Its Care And Repair The specific gravity of the St. Lawrence water above Montreal is about 1·00038, at the temperature of 66°, the air being then 82° of Fahrenheit. Canada and the Canadians Volume I The liquor thus made will usually have a specific gravity of 62��Tw. The Dyeing of Woollen Fabrics The colour of bronzite is green or brown; its specific gravity is about 3.2-3.3, varying with the amount of iron present. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" What would be the weight of 1000 cc. of vinegar calculated from the specific gravity? Human Foods and Their Nutritive Value It is necessary that the maximum specific gravity of pilot cells be as near 1.220 as possible. The Automobile Storage Battery Its Care And Repair Immediately, as the contragravity field dropped below the specific gravity of the ship, she began submerging. Four-Day Planet Most marvellous of all, however, when these differences in specific gravity are examined, we find that they bear a close resemblance to the arrangement of the planets in progressive distances from the sun. Evolution An Investigation and a Critique In the variety known as nemalite the structure is finely fibrous and the lustre silky: this variety contains 5 to 8% of ferrous oxide replacing magnesia, and has consequently a rather higher specific gravity, viz. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" Chicory has a higher specific gravity than coffee. Human Foods and Their Nutritive Value In other words, the pilot ball will float at a specific gravity of 1:185 or higher, and will sink at a specific gravity lower than 1.185. The Automobile Storage Battery Its Care And Repair If there is a single verse, or, mayhap, one line, of “Derelict” that will hold, without leaking, anything of a specific gravity heavier than moonshine, it would surprise me. The Dead Men's Song Being the Story of a Poem and a Reminiscent Sketch of its Author Young Ewing Allison Following this he put a few queries about specific gravity, atomic weight, and the like. The Young Pitcher |
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