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" The wedge is a very great mechanical power, since not only wood, but even rocks, can be split by it ; which it would be impossible to effect by the lever, wheel, and axle, or pulley ; for the force of the blow, or stroke, shakes the cohering parts, and... "
The Accomplished Tutor; Or, Complete System of Liberal Education ... - Side 273
av Thomas Hodson - 1806 - 458 sider
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The school of arts; or, an introduction to useful knowledge

John Imison - 1796 - 476 sider
...power, fince not only wood but even rocks can be fplit by it : which would be impoffible to effeft by the lever, wheel and axle, or pulley : for the force of the blow, or ftroke, flukes the cohering parts, and thereby makes them feparate more eafily. The fcrew. The fixth...
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The Accomplished Tutor: Or, Complete System of Liberal Education ...

Thomas Hodson - 1802 - 556 sider
...largeft fliips, &c. The wedge has a very great mechanical force, and eife&s what would be impoilible by the lever, wheel and axle, or pulley ; for the...referred the axe or hatchet, the chifel, the fpade and fliovel, knives of all kinds ; as alfo the bodkin and needle, and all forts of inftruments which, beginning...
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The British Encyclopedia: Or, Dictionary of Arts and Sciences ..., Volum 4

William Nicholson - 1809 - 700 sider
...power, since not only wood, but even rocks, can be split by it; which it would be impossible to eftect by the lever, wheel, and axle, or pulley ; for the force of the blow, or stroke, shakes the cohering parts, and thereby makes them separate more easily. The sixth and last...
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The British encyclopedia, or, Dictionary of arts and sciences, Volum 4

William Nicholson - 1809 - 734 sider
...power, since not only wood, but even rocks, can be split by it; which it would be impossible to effect by the lever, wheel, and axle, or pulley ; for the force of the blow, or stroke, shakes the cohering parts, and thereby makes them separate more easily. The sixth and last...
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Arithmetical Questions on a New Plan: Intended to Answer the Double Purpose ...

William Butler - 1811 - 548 sider
...oak J," but even the " ragged-fided rock" can be fplit by it ; which it would be impoffible to efFedl by the lever, wheel and axle, or pulley: for the force of the blow, orftroke, ihakes the cohering parts, and thereby makes them feparate the more eafily. It is ufually...
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American Edition of the British Encyclopedia: Or, Dictionary of ..., Volum 7

William Nicholson - 1821 - 406 sider
...power, since not only wood, but even rocks, can be split by it ; which it would be impossible to effect by the lever, wheel, and axle, or pulley ; for the force of the blow, or stroke, shakes the cohering parts, and thereby makes them separate more easily. The sixth and last...
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Lectures on Select Subjects in Mechanics, Hydrostatics, Hydraulics ..., Volum 1

James Ferguson - 1823 - 406 sider
...power, since not only wood but even rocks can be split by it ; which would be impossible to effect by the lever, wheel and axle, or pulley ; for the force of the blow, or stroke, shakes the cohering parts, and thereby makes them separate more easily. 6. The sixth and...
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Iron: An Illustrated Weekly Journal for Iron and Steel ..., Volum 36

Perry Fairfax Nursey - 1842 - 538 sider
...driven under one side. It is sometimes used in splitting rocks, which it would be impossible to effect by the lever, wheel and axle, or pulley ; for the force of the blow or stroke shakes the cohering parts, and makes them separate more easily. In some parts of Derbyshire,...
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The Mechanics' Magazine, Museum, Register, Journal, and Gazette, Volum 36

1842 - 548 sider
...driven under one side. It is sometimes used in splitting rocks, which it would be impossible to effect by the lever, wheel and axle, or pulley ; for the force of the blow or stroke shakes the cohering parts, and makes them separate more easily. In some parts of Derbyshire,...
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Natural philosophy for beginners, illustrations of the laws of motion and ...

Natural philosophy - 1845 - 194 sider
...driven under one side. It is sometimes used in splitting rocks, which it would be impossible to effect by the lever, wheel and axle, or pulley ; for the force of the blow or stroke shakes the cohering parts, and makes them separate more easily. In some parts of Derbyshire,...
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