| 单词 | spring balance |
| 例句 | Both companies carry a wide array of window parts, including dozens of spring balances, and help customers identify the parts they need. How to repair old, wooden double-hung windows 2018-07-27T04:00:00Z Replacing most types of spring balances is easy, requiring only a screwdriver or sometimes just a twisting motion with your hand. How to repair old, wooden double-hung windows 2018-07-27T04:00:00Z One end of the board rested on a firm table, whilst the other end was supported by a spring balance hanging from a substantial tripod stand. Mysterious Psychic Forces An Account of the Author's Investigations in Psychical Research, Together with Those of Other European Savants 2012-03-28T02:00:29.747Z Mh and M can be measured by a spring balance holding up in a horizontal position the axis OC in fig. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 7 "Gyantse" to "Hallel" 2011-12-26T03:00:11.613Z They can be tested by a pull of four or five pounds on a spring balance. St. Nicholas v. 13 No. 9 July 1886 an Illustrated Magazine for Young Folks 2011-07-18T02:00:22.977Z In these experiments one end of the board was on a spring balance and the other rested on a table. Occultism and Common-Sense 2011-07-16T02:00:14.303Z In the processes of riveting and wire-drawing, the material is purposely strained beyond the elastic limit, whilst the correct working of a spring balance requires that the spring should never be overstrained. The New Gresham Encyclopedia Volume 4, Part 2: Ebert to Estremadura 2011-04-14T02:00:56.200Z A mahogany board is placed horizontally, and hung by one end to a spring balance. Mysterious Psychic Forces An Account of the Author's Investigations in Psychical Research, Together with Those of Other European Savants 2012-03-28T02:00:29.747Z You might take that spring balance which hangs out in the kitchen. Letters of a Radio-Engineer to His Son After breakfast, during which much conversation arose on the proposed drive, Hardy came down with his fly-rods, books, and reels, and the precious little spring balance. A Danish Parsonage Pressure is exerted on the lever by a spring balance, fixed at the forward end by a knife-blade bearing. The 'Pioneer': Light Passenger Locomotive of 1851 United States Bulletin 240, Contributions from the Museum of History and Technology, paper 42, 1964 But, weighed with a spring balance, the change would be at once evident, and the effort with which a weight could be raised would be reduced to one-thousandth part. The Story of the Heavens The very slow oscillation of the spring balance became more marked, and Dr. A. B., watching the index, said that he saw it descend to 6½ lbs. Mysterious Psychic Forces An Account of the Author's Investigations in Psychical Research, Together with Those of Other European Savants 2012-03-28T02:00:29.747Z But if the spring balance said the thing weighed five pounds how would you know if it was right? Letters of a Radio-Engineer to His Son "I guess it to be so; but we will soon see," replied Hardy, as he took a little spring balance out of his pocket, and held it up to her with the trout on it. A Danish Parsonage The actual decrease may be found by means of a spring balance. Ontario Teachers' Manuals: Nature Study We may consider the matter in another way by supposing that the attraction of the earth is measured by one of those little weighing machines known as a spring balance. The Story of the Heavens To the moving index, O, of the spring balance, a fine steel point is soldered, projecting horizontally outwards. Mysterious Psychic Forces An Account of the Author's Investigations in Psychical Research, Together with Those of Other European Savants 2012-03-28T02:00:29.747Z At a certain distance, the attraction is of a certain definite amount, which might be determined by means of a spring balance. Fragments of science, V. 1-2 The largest trout he caught was over three pounds, and seventeen weighed nineteen pounds, by Hardy's English spring balance. A Danish Parsonage He employed a board, one end of which was attached to a spring balance, while the other end of the board rested upon a solid table. The Problems of Psychical Research Experiments and Theories in the Realm of the Supernormal You see, a man of my size weighs only eighty-six pounds here, on a spring balance, so he would need only the muscular development of a boy of twelve or so. The Skylark of Space To show the Action of Levers.—With a light but stiff wooden bar, a spring balance, and a wedge-shaped fulcrum, show: 1. Physiology and Hygiene for Secondary Schools J. Müller has determined the coefficient by towing a skater holding on by a spring balance. The Birth-Time of the World and Other Scientific Essays The pointer on the spring balance shows that the force required to balance the 4-pound load is but 2 pounds. General Science As each cow is milked, the milker hangs the pail on a spring balance and registers the exact weight on a blackboard. The Fat of the Land The Story of an American Farm But a spring balance, for instance, in which the tension of the coil is independent of attraction, would have readily given the exact equivalent of the loss. All Around the Moon The apparatus is very simple in principle, consisting of but five pieces of wood, an ordinary spring balance registering up to 40 lbs., and a couple of handles. Things To Make If in place of one of the weights we use a spring balance, as in Figs. Scientific American Supplement, No. 415, December 15, 1883 Fasten a metal roller to a spring balance and observe its weight. General Science Portland and I assisted at the capture, and the fish dragged the spring balance out by the roots. American Notes Before taking his place in the operator's seat Tom started the motor, and by means of a spring balance tested the thrust of the propellers. Tom Swift and His Sky Racer, or, the Quickest Flight on Record Mr. Perry performed the experiment by placing himself upon a spring balance and assuming the role of the girl, with two very strong men as adversaries. The Miracle Mongers, an Exposé Further, let the spring balance be at the free end of the cord toward which the pulley runs. Scientific American Supplement, No. 415, December 15, 1883 In the afternoon they took one of the pieces of stone, weighing, by a spring balance, twenty pounds, and with the flat plate and the crushing-hammer went to the stream. In the Heart of the Rockies As the area of the valve was 5 square inches, the number of pounds shown on the spring balance denoted the number of pounds pressure on each square inch of the boiler. A Catechism of the Steam Engine We shall therefore continue our investigation with the aid of three spring balances, which we hook together at one end while exposing them to the three pulls at the other. Man or Matter The sky racer was held back by a rope, as Tom wanted to note the "pull" of the propellers, the force they exerted against the air being registered on a spring balance. Tom Swift in the City of Gold, or, Marvelous Adventures Underground The airship had been made fast by a rope, to which was attached a strong spring balance, as it was desired to see how much pull the engine would give. Tom Swift and His Wireless Message: or, the castaways of Earthquake island If you would be more particular take a small spring balance or an improvised scale, such as is described in Mr. Goyder's excellent little book, p. Getting Gold: a practical treatise for prospectors, miners and students Q.--And are these valves all pressed down by a Salter's spring balance? A Catechism of the Steam Engine A spring balance, fitted with a hook, held the article to be weighed; a pointer, revolving on a disc, indicated the weight of the article. Off on a Comet! a Journey through Planetary Space Q.--And are they always pressed down by a spring balance, and never by weights? A Catechism of the Steam Engine |
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