| 单词 | optical instrument |
| 例句 | The invertebrate eye was invented into an optical instrument at the MBL, opening the way to modern visual physiology. The Lives of a Cell 1974-01-01T00:00:00Z Some kind of optical instrument formed part of the end of this metal arm. The Chosen 1967-04-28T00:00:00Z Then he took a small case with optical instruments out of the toolbox that he always carried with him. One Hundred Years of Solitude 1967-05-30T00:00:00Z His father retired as an engineer at Hitek International, a manufacturer of optical instruments in Redwood City, Calif. Robert Ford, Dmitriy Tishyevich 2018-09-23T04:00:00Z This is one of the reasons they have always made the best crosshairs in optical instruments and why webs are preserved intact in the tombs of the pharaohs. Fritz Vollrath: "Who wouldn't want to study spiders?' 2013-01-12T19:00:00Z The "stauroscope", an optical instrument for studying the crystal structure of minerals under polarized light, is also no longer used. Dictionary compilers create endangered words list 2011-08-21T18:25:27Z Then he took a small case with optical instruments out of the tool box he carried with him. King of the banana republic 2012-06-03T21:00:00Z The convention celebrating the optical instrument began Thursday at the Hilton Washington DC/Rockville Hotel & Executive Meeting Center and continues through Sunday. This convention is all shimmers and mirrors 2016-04-29T04:00:00Z Yes, it sounds like a sandwich, but it's actually the most powerful optical instrument ever constructed. TV highlights 15/08/2011 2011-08-14T20:59:00Z The arcing wall acts as an optical instrument that dials 270 degrees of the surrounding ranges. Natural Wonder 2010-06-01T04:00:00Z Dumping the fuel appeared to be aimed at blinding the drone’s optical instruments to drive it from the area. Pentagon video shows Russian jet dumping fuel on US drone 2023-03-16T04:00:00Z “Every reader reads himself. The writer’s work is merely a kind of optical instrument that makes it possible for the reader to discern what, without this book, he would perhaps never have seen in himself.” Review | These ‘Christmas crackers’ offer surprises for lovers of language 2022-12-15T05:00:00Z The eye is perhaps the most interesting of all optical instruments. College Physics for AP Courses 2015-08-12T00:00:00Z For this reason, it is important in the manufacture of lamps that give radiation rich in ultraviolet light and in certain optical instruments that operate with ultraviolet light. Chemistry 2019-02-14T00:00:00Z A paper published last week in Royal Society Open Science details striking similarities between the internal structures of certain small mammal and marsupial hairs and those of man-made optical instruments. A Hair-Raising Hypothesis About Rodent Hair 2021-12-16T05:00:00Z A test bed for bigger gravitational wave detectors, GEO600 is a large, L-shaped optical instrument called an interferometer. Detector designed for gravitational waves seeks signal from dark matter 2021-12-15T05:00:00Z They include medical equipment, ground-based radar equipment, testing machinery, optical instruments; items used for animal husbandry; seismic instruments, and marine, geological and geophysical equipment, the former official said. China quietly sets new 'buy Chinese' targets for state companies - U.S. sources 2021-08-02T04:00:00Z Diffraction is not only a problem for optical instruments but also for the electromagnetic radiation itself. College Physics for AP Courses 2015-08-12T00:00:00Z That general effort is called space situational awareness, and it is usually carried out by optical instruments and long-range radar. Are We Doing Enough to Protect Earth from Asteroids? 2021-05-27T04:00:00Z Until the advent of satellites, surveyors used a device called a theodolite, a precision optical instrument mounted on a tripod, for measuring angles between two designated points. Mount Everest is more than two feet taller, China and Nepal announce 2021-02-09T05:00:00Z It is very difficult to get repeatable measurements of light-scattering materials using standard optical instruments, such as a spectrophotometer, which measures the intensity of light. Deflecting the heat of climate change 2020-03-12T04:00:00Z To detect the infinitesimal stretching of space, physicists developed huge L-shaped optical instruments called interferometers, with arms several kilometers long. Scientists may have spotted a black hole and a neutron star colliding 2019-08-16T04:00:00Z An important application of thin film interference is found in the manufacturing of optical instruments. College Physics for AP Courses 2015-08-12T00:00:00Z He finds a culture that has perfected a range of optical instruments. Moon on the mind: two millennia of lunar literature 2019-07-08T04:00:00Z Kim praised the “flawless” glassware and optical instruments while stressing modernized production. Kim Jong Un visits glass factory once suspected of producing military equipment, report says 2018-11-18T05:00:00Z Among other challenges, the laser blasts initially created a thin layer of dark material on the system’s optical instruments. World’s first wind-mapping satellite set to launch 2018-08-16T04:00:00Z Managers said the main concern is that dust could temporarily cover its optical instruments. Mars mega-storm threatens Nasa rover after 14-year mission 2018-06-13T04:00:00Z This chapter builds an understanding of vision and optical instruments on the idea that waves can transfer energy and momentum without the transfer of matter. College Physics for AP Courses 2015-08-12T00:00:00Z View the transit only through proper, solar-safe filters on optical instruments. Skywatch for May, by Blaine P. Friedlander Jr. 2016-04-30T04:00:00Z Teetman settled in Connecticut, where he worked for a company making optical instruments. In pictures: American airmen in England during World War Two - BBC News 2016-03-03T05:00:00Z And in 1956, while at Harvard, he invented and built the first confocal scanning microscope, an optical instrument with superior resolution and image quality still in wide use in the biological sciences. Marvin Minsky, Pioneer in Artificial Intelligence, Dies at 88 2016-01-25T05:00:00Z The uses of silk are diverse – up until the first world war, it was even being used in the crosshairs of optical instruments. The innovators: the California scientists reinventing the web 2015-12-06T05:00:00Z Flat mirrors are often employed in optical instruments to make them more compact or to send light to cameras and other sensing devices. College Physics for AP Courses 2015-08-12T00:00:00Z Mr Idrisov says RT also has promising firms in areas such as electronics, optical instruments and metallurgy, many of them doing a mix of military and civilian work. Industry in Russia: Lurching into the fast lane 2012-07-12T15:01:25Z The manufactures include linen fabrics, cloth, toys, buttons, optical instruments, agricultural machines, knives, mineral waters, condensed soups and condensed milk. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 4 "Hero" to "Hindu Chronology" 2012-04-04T02:00:56.447Z Telescopes are optical instruments, and nothing but optical parts would be requisite in making them, if only the optical conditions of their perfect working could be obtained without other mechanical accessories. Astronomy: The Science of the Heavenly Bodies 2012-03-17T02:01:02.630Z He sold nautical, surveying, and optical instruments as well as mirrors, presumably all imported from England. Early American Scientific Instruments and Their Makers 2012-03-15T02:00:31.610Z Lenses are found in a huge array of optical instruments, ranging from a simple magnifying glass to the eye to a camera’s zoom lens. College Physics for AP Courses 2015-08-12T00:00:00Z Prax′inoscope, an optical instrument showing a body as if in motion, by means of successive pictures and an arrangement of mirrors in a horizontally rotating box. Chambers's Twentieth Century Dictionary (part 3 of 4: N-R) 2012-01-30T03:00:13.887Z The production of the peculiar types of glass required for optical instruments in itself presented a formidable obstacle, even its principal ingredient, a special quality of sand, being formerly derived mainly from Fontainebleau and Belgium. The Woman's Part A Record of Munitions Work 2011-12-31T03:00:15.627Z The Manograph.—The manograph, which is the invention of Hospitalier, is an optical instrument in which a series of closed diagrams are superimposed upon a polished mirror similar in form to Watt diagrams. 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 He specialized in nautical, mathematical and optical instruments, with an address at 173 Broad Street, and another at No. 2 Rowe's Wharf, "At the Sign of the Quadrant." Early American Scientific Instruments and Their Makers 2012-03-15T02:00:31.610Z Human desire to see beyond what is possible with the naked eye led to the use of optical instruments. College Physics for AP Courses 2015-08-12T00:00:00Z An active trade, fostered by abundant railway communications, is combined with manufactures of iron and steel wares, paper, chemicals, vinegar, physical and optical instruments, besides artistic printing and lithography. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 4 "Grasshopper" to "Greek Language" 2011-11-28T03:00:19.517Z The production of the raw material was, however, only a first step in obtaining an adequate supply of optical instruments. The Woman's Part A Record of Munitions Work 2011-12-31T03:00:15.627Z He made ready to earn his bread by polishing lenses for optical instruments. The International Jew The World's Foremost Problem 2011-10-16T02:00:19.257Z Aperture, a′pėrt-ūr, n. an opening: the space through which light passes in an optical instrument: a hole. Chambers's Twentieth Century Dictionary (part 1 of 4: A-D) 2011-10-11T02:01:08.990Z Other leading manufactures are those of iron bridges, India-rubber goods, carriages, furniture, optical instruments, steam engines, glassware and agricultural machinery. Ocean to Ocean on Horseback Being the Story of a Tour in the Saddle from the Atlantic to the Pacific; with Especial Reference to the Early History and Devel 2011-10-06T02:00:32.743Z It travels over a wide field, pointing out a few of the marvellous facts which can be studied and enjoyed by the help of optical instruments. Through Magic Glasses and Other Lectures A Sequel to The Fairyland of Science 2011-10-03T02:00:33.003Z The lack of optical instruments thus occasioned was at first a source of grave national peril, since optical glass provides, as it were, eyes for both Navy and Army. The Woman's Part A Record of Munitions Work 2011-12-31T03:00:15.627Z Armed with the powerful aid of modern optical instruments, geologists are now able with far more prospect of success to resume the experiments begun a century before by de Saussure and Hall. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" 2011-09-19T02:00:10.473Z Optical Instruments.—There were practical inventions in optical instruments long before this century. Inventions in the Century 2011-07-20T02:00:14.643Z There never was a greater sufferer from eye-strain than Flaubert, whose eyes were strikingly beautiful, and seemingly of extraordinary perfection as optical instruments. Concerning Lafcadio Hearn With a Bibliography by Laura Stedman 2011-07-20T02:00:12.413Z Without honouring me with a second glance, she gathered together her optical instruments and walked quietly down the little hill. Only a Girl: or, A Physician for the Soul. 2011-07-13T02:00:14.230Z No wonder that the feeling of the optical instrument workshop expresses itself in the words: ‘Cleanliness is more than godliness at this job.’ The Woman's Part A Record of Munitions Work 2011-12-31T03:00:15.627Z An optical instrument, by which minute objects, are magnified, so as to enable us to perceive and examine such as could not be seen by the naked eye. Conversations on Natural Philosophy, in which the Elements of that Science are Familiarly Explained 2011-07-12T02:00:28.027Z The inventions and improvements in optical instruments gave rise to great advances in the making of lenses, based on scientific principles, and not resting alone on hard work and experience. Inventions in the Century 2011-07-20T02:00:14.643Z This is true of any simple lens and the defect is overcome in the manufacture of optical instruments by combining two lenses consisting respectively of glasses differing considerably in refractive index. Visual Illusions Their Causes, Characteristics and Applications 2011-06-02T02:00:25.247Z Eye-piece, in a telescope, microscope, or other optical instrument, the lens, or combination of lenses to which the eye is applied. The New Gresham Encyclopedia Volume 4, Part 3: Estremoz to Felspar 2011-04-14T02:00:59.373Z This glass has many points to recommend it for the construction of optical instruments, and only such kinds are employed by us, which have for many years been thoroughly tested as to their durability. Microscopes and Accessory Apparatus Catalogue No. 40 2011-04-14T02:00:42.743Z An optical instrument, by which transparent pictures, painted upon glass, are magnified and exhibited on a white wall or screen, in a darkened room. Conversations on Natural Philosophy, in which the Elements of that Science are Familiarly Explained 2011-07-12T02:00:28.027Z Perfect as the eye may be as an optical instrument, its range is far less than that of the ear. Studies in the Out-Lying Fields of Psychic Science 2011-04-14T02:00:40.453Z Helmholtz, who contributed so much toward our knowledge of the visual process, in referring to the eye, once stated that he could make a much better optical instrument but not a better eye. Visual Illusions Their Causes, Characteristics and Applications 2011-06-02T02:00:25.247Z The field of observation or view is the area within which objects can be seen through any optical instrument at any one position. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 3 "Fenton, Edward" to "Finistere" 2011-03-14T03:01:00.580Z We have an example of the latter in the familiar experiment of swinging a coal of fire in a circle, and in various optical instruments for combining colors and images. Beauty Illustrated Chiefly by an Analysis and Classificatin of Beauty in Woman 2011-02-28T03:00:32.460Z Nor will the heavenly inhabitants need, as on earth, visual organs and optical instruments, which, at best, afford us only glimpses of the material universe. The Religion of Geology and Its Connected Sciences 2011-02-28T03:00:28.890Z It is more than a mere force-pump, just as the stomach is something more than a crucible, and the eye something more than an optical instrument. A Treatise on Physiology and Hygiene For Educational Institutions and General Readers In other words, the eye is far from an ideal optical instrument but as an eye it is wonderful. Visual Illusions Their Causes, Characteristics and Applications 2011-06-02T02:00:25.247Z We could not, at first, help laughing at the sight of these optical instruments, so entirely novel to us was their form. Travels in Tartary, Thibet, and China During the years 1844-5-6 Volume 2 They produced the first fine optical instruments, and they have been pioneers in navigation and floriculture. Woman's Club Work and Programs First Aid to Club Women He had been chosen for it because of his familiarity with optical instruments. Planet of the Gods The Eyeball.—The remarkable optical instrument called the eyeball, or the globe of the eye, upon which sight depends, is, as the name indicates, spherical in shape. A Treatise on Physiology and Hygiene For Educational Institutions and General Readers The contraction of the diffraction pattern with increase of aperture is of fundamental importance in connexion with the resolving power of optical instruments. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 4 "Diameter" to "Dinarchus" An optical instrument employed in viewing distant objects, as the heavenly bodies. Noah Webster American Men of Letters What care is taken in the manufacture of optical instruments? A Treatise on Anatomy, Physiology, and Hygiene (Revised Edition) Modern periscopes are complicated optical instruments which have been developed to a very high point of efficiency. Aircraft and Submarines The Story of the Invention, Development, and Present-Day Uses of War's Newest Weapons The organ of vision consists essentially of two parts: the optical instrument itself—the eyeball—and its enveloping parts, or the case in which the instrument is kept free from harm. A Treatise on Physiology and Hygiene For Educational Institutions and General Readers We may conveniently commence with them on account of their simplicity and great importance in respect to the theory of optical instruments. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 4 "Diameter" to "Dinarchus" This minimum we can indefinitely magnify by means of optical instruments, making visible the still smaller parts which compose it. The Philosophy of the Conditioned The GLOBE, or ball of the eye, is an optical instrument of the most perfect construction. A Treatise on Anatomy, Physiology, and Hygiene (Revised Edition) The accurate determination of the amount of bending in a given case requires very finely constructed optical instruments and also a knowledge of how to apply a certain amount of mathematics. A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public The domestic fluorspar is suitable for practically all purposes for which fluorspar is used except for lenses in optical instruments. The Economic Aspect of Geology The actual finiteness of λ imposes a limit upon the separating or resolving power of an optical instrument. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 4 "Diameter" to "Dinarchus" This is beautifully demonstrated by a common optical instrument, the camera obscura. Popular Lectures on Zoonomia Or The Laws of Animal Life, in Health and Disease In the manufacture of optical instruments, care is taken to color their interior black, for the same object, namely, the absorption of scattered rays. A Treatise on Anatomy, Physiology, and Hygiene (Revised Edition) The eye is a perfect optical instrument, infinitely surpassing all specimens of human skill. Popular Education For the use of Parents and Teachers, and for Young Persons of Both Sexes The whole story turns on optical rather than on astronomical considerations; but every astronomer of the least skill is acquainted with the principles on which the construction of optical instruments depends. Myths and Marvels of Astronomy He holds to his eye a tube or optical instrument. Ancient America, in Notes on American Archaeology Here he learned, from common rumour, that a Dutchman had presented to prince Maurice of Nassau an optical instrument, which possessed the singular property of causing distant objects to appear nearer the observer. The Martyrs of Science, or, The lives of Galileo, Tycho Brahe, and Kepler This eye is the lens of the optical instruments. Astronomy for Amateurs The eye, which is the organ of vision, is an optical instrument of the most perfect construction. Popular Education For the use of Parents and Teachers, and for Young Persons of Both Sexes Within recent years the polariscope, an optical instrument that determines the percentage of sugar by means of polarized light, has largely replaced the Dutch standard. Commercial Geography A Book for High Schools, Commercial Courses, and Business Colleges They finally decided upon one offered by Herr H., the head of an optical instrument firm. The Better Germany in War Time Being some Facts towards Fellowship Iceland spar is used chiefly in the optical instrument known as the polariscope. Wealth of the World's Waste Places and Oceania The kaleidoscope is an optical instrument in which an endless variety of beautiful patterns or forms may be viewed by changing its position. Orthography As Outlined in the State Course of Study for Illinois It was a concave lens, like some powerful optical instrument. The Whispering Spheres At St.-Gobain, besides the plate glass mirrors, glass is made for roofs, for floors, for pavements, for optical instruments, including the finest lenses used in the lighthouses of France. France and the Republic A Record of Things Seen and Learned in the French Provinces During the 'Centennial' Year 1889 DuQuesne recognized all five persons in the Skylark and Dunark and Sitar in the Kondal; such was that unearthly optical instrument and so clear was the impression upon the mind before him. Skylark Three Nor are the inventors of those optical instruments, who had contributed to the advancement of this science beyond all previous anticipation, omitted in this extensive survey of its nature, progress, and history. Memoir of the Life of John Quincy Adams. The ingenuity of man has been at work hundreds of years to discover some other method of adapting an optical instrument to long and short range, but without success. Fables of Infidelity and Facts of Faith Being an Examination of the Evidences of Infidelity "A box of optical instruments," says the customs officer, making a blue check. Banzai! by Parabellum This last, B, is a scale engraved on glass, and may be purchased of any optical instrument maker, though it may be necessary to send the eye-piece to have it properly fitted. A Text-book of Assaying: For the Use of Those Connected with Mines. The eye of a two-year-old child is practically as perfect an optical instrument as the eye of a boy of ten, and yet how much more the older boy seems to see. What the Mother of a Deaf Child Ought to Know The eye is an optical instrument,—a rather crude one, it is said,—but it cannot be separated from its function, as can a mere instrument—the eye sees as literally as the brain thinks. The Breath of Life An optical instrument, by means of which very minute objects are represented exceedingly large, and viewed very distinctly according to the laws of refraction or reflection. A Catechism of Familiar Things; Their History, and the Events Which Led to Their Discovery. With a Short Explanation of Some of the Principal Natural Phenomena. For the Use of Schools and Families. Enlarged and Revised Edition. "A box of optical instruments," repeats the overseer, making a mark with his moistened pencil-stump: "Careful!" he adds, as a workman is on the point of tipping the heavy box over. Banzai! by Parabellum His best optical instruments were several excellent marine telescopes, manufactured especially under his direction. All Around the Moon Modern writers have viewed the political fancies of this monarch through optical instruments not invented in his days. Literary Character of Men of Genius Drawn from Their Own Feelings and Confessions Matter helps us in the acquisition of knowledge, as, for example, glass in optical instruments. Catharine An optical instrument, which serves for discovering and viewing distant objects, either directly by glasses, or by reflection. A Catechism of Familiar Things; Their History, and the Events Which Led to Their Discovery. With a Short Explanation of Some of the Principal Natural Phenomena. For the Use of Schools and Families. Enlarged and Revised Edition. As a writer I belong to one school and as a reader to another—as a man may like to make optical instruments and collect old china. Nocturne Again, we read of Mauritius, who stood on the promontory of his island and could sweep over the sea with an optical instrument to watch the ships of the enemy. Scientific American Supplement No. 822, October 3, 1891 As the artist, by an optical instrument, reflects and concentrates the boundless landscape around him, and patiently traces all nature in that small space. Literary Character of Men of Genius Drawn from Their Own Feelings and Confessions A portion of the nebulous vapor would probably be found resolvable into stars by more powerful optical instruments. COSMOS: A Sketch of the Physical Description of the Universe, Vol. 1 However thoroughly we may examine them with the help of the most delicate reagents and the strongest optical instruments, we yet find that all the parts are completely homogeneous. A Series of Lessons in Gnani Yoga Again did he glance at the optical instrument, with his mouth wide open; then, making a comical movement of distrust, he quickly departed whence he had come. Corea or Cho-sen The Land of the Morning Calm You know that optical instruments have acquired great perfection; certain telescopes increase objects six thousand, and bring the moon to within a distance of forty miles. The Moon-Voyage Macrometer, an optical instrument to determine the size or distance of inaccessible objects. The Nuttall Encyclopædia Being a Concise and Comprehensive Dictionary of General Knowledge He presented a small, leather-covered case, evidently containing some optical instrument. The Grandissimes It cleared the little furrow produced by the incessant use of that optical instrument, so much missed by the poor cousin, and it stopped just at the extremity of his nasal appendage. Dick Sand A Captain at Fifteen Man brings his optical instruments to perfection and is able to pierce further into the fields of heaven, discovering ever more and more. The Shadow of the Cathedral All the difficulty in the execution of these optical instruments lies in the making of the object-glass, whether they be made of glass or metallic mirrors. The Moon-Voyage Camera Lucida, an optical instrument or contrivance, by means of which the image of an object may be made to appear on a light or white surface. The Nuttall Encyclopædia Being a Concise and Comprehensive Dictionary of General Knowledge Experimental optics; being a series of simple and brilliant experiments with light, and how to make all kinds of optical instruments. © 31Mar33; A61198. U.S. Copyright Renewals, 1961 January - June As an actual fact he was first a watchmaker, then a maker of optical instruments, and now he is mechanical factotum to a medical jurist. The Red Thumb Mark You know that optical instruments have acquired great perfection; with certain instruments we have succeeded in obtaining enlargements of 6,000 times and reducing the moon to within forty miles' distance. From the Earth to the Moon; and, Round the Moon Since the 16th century optical instruments had widened and lengthened in considerable proportions, and they allowed the stellar spaces to be gauged to a depth unknown before. The Moon-Voyage I did not present it at the time; but I now proposed to visit, on my return homewards, the establishment which he had founded at York for the manufacture of telescopes and other optical instruments. Men of Invention and Industry It is used for tableware, and for optical instruments, as prisms, its density giving a high degree of dispersive power; — so called, because formerly the silica was obtained from pulverized flints. The Gutenberg Webster's Unabridged Dictionary Section F, G and H Mrs. Costello inspected the young couple again with her optical instrument. Daisy Miller As regards the optical instruments at their disposal, they had excellent marine glasses specially constructed for this journey. From the Earth to the Moon; and, Round the Moon At half-past two in the morning the bullet was over the 30th lunar parallel at an effective distance of 1,000 kilometres, reduced by the optical instruments to ten. The Moon-Voyage It has manufactures of cloth, leather, chemicals and optical instruments; large quantities of beetroot sugar are produced in the neighbourhood; and there is a considerable transit trade on the Elbe. The Project Gutenberg Encyclopedia Volume 1 of 28 Love, gratitude, reverence, benevolence,—which all moved in mighty tides in his soul,—were all compelled to pause midway while he rubbed up his optical instruments to see whether they were rising in right order. The Atlantic Monthly, Volume 04, No. 22, August, 1859 From Holland came the first optical instruments, the best mathematicians, the most intelligent philosophers, as well as the boldest and most original thinkers. Holland The History of the Netherlands As an optical instrument, the eye may be aptly compared, in many particulars, to the photographic camera. A Practical Physiology Great as is the perfection to which our optical instruments have been brought, they have revealed nothing on the planet save the so-called canals, to indicate the presence of sentient rational beings. Marvels of Modern Science After the death of his wife, Baruch’s affection spent itself upon his son Benjamin, whom he had apprenticed to a firm of optical instrument makers in York. Clara Hopgood Once we realize this, our judgment of all that our terrestrially devised optical instruments, such as the telescope and spectroscope, tell us about the nature of the sun and its surroundings, will change accordingly. Man or Matter Plutarch speaks of optical instruments used by Archimedes "to manifest to the eye the largeness of the sun." Atlantis : the antediluvian world What can a poor insect see—in the absolute darkness of its burrow, moreover—where science armed with optical instruments has not yet succeeded in seeing anything? More Hunting Wasps The way thither was through the large chamber he had used as a study and for the manufacture of optical instruments. Two on a Tower Ordinarily they were steady, strong eyes, excellent and renowned optical instruments. Clara Hopgood It is possible, but I have tried no test to make sure, the infinitely tiny wound appearing to be too difficult to detect with the optical instruments at my disposal. More Hunting Wasps |
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