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" These are usually accounted six in number, viz. the Lever, the Wheel and Axle, the Pulley, the Inclined Plane, the Wedge, and the Screw. "
An Academy for Grown Horsemen; Containing the Completest Instructions for ... - Page 13
by Henry William Bunbury - 1808 - 97 pages
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A manual for mechanics' institutions

Society for the diffusion of useful knowledge - 1839 - 380 pages
...at another point, is a machine. The simple machines or mechanical powers are six in number — the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw. These are the elements of all machines, however complicated. See Mcch., Treat. II., Arts. 1—6. In...
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Lectures on Select Subjects in Mechanics, Hydrostatics, Pneumatics, Optics ...

James Ferguson - Astronomy - 1839 - 554 pages
...1 he me' The simple machines, usually called mechanical powers, powers, are six in number, viz. the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screws.0 — They are called mechanical powers, because they help us mechanically to raise weights,...
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The Christian philosopher

Thomas Dick - 1840 - 370 pages
...machines, the principles on which their energy depends ; the properties of the mechanical powers — the lever, the wheel, and axle, the pulley, the inclined plane, the wedge and the screw — and the effects resulting from their various combinations. From the investigations of philosophers on these...
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The North American Arithmetic: part third

Frederick Emerson - 1840 - 302 pages
...effected by the direct application of natural strength. They are usually accounted six in number; viz. the Lever, the Wheel and Axle, the Pulley, the Inclined Plane, the Wedge, and the Screw. The advantage gained by the use of the mechanical powers, does not consist in any increase of the quantum...
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The artillerist's manual, and compendium of infantry exercise

Frederick Augustus Griffiths - 1840 - 436 pages
...effected by the natural strength without them. They are usually accounted Six in number ; viz. : The Lever ; the Wheel, and Axle ; the Pulley ; the Inclined Plane ; the Wedge ; and the Screw. Weight, and Power when opposed to each other, signify the body to be moved, and the body that moves...
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The Penny Mechanic, and the Chemist, Volume 2

1837 - 800 pages
...cord, and the inclined plane. They have been, however, differently enumerated by others ; viz., the lever, the wheel and axle, the pulley, the inclined plane, the wedge and the screw, being six in number. The first class in eludes every machine which is composed of a solid body revolving...
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The Mechanic's Calculator: Comprehending Principles, Rules, and Tables in ...

William Grier - Mechanical engineering - 1842 - 320 pages
...2. The simple machines, or those of which all others are constructed, are usually reckoned six : the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw. To these the funicular machine is sometimes added. 3. The weight signifies the body to be moved, or...
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An Introduction to Mensuration and Practical Geometry

John Bonnycastle - Measurement - 1842 - 318 pages
...containing the principal problems in lirunton's Mechania: — that is, Falling Bodies,- the Pendulum.- tJie Lever, the Wheel and Axle, the Pulley, the Inclined Plane, the Wedge, end the Screw, which are usually called the six Mechanical Powert i Velocity of Wheels .- Steam Engine,-...
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The Student: a magazine of theology, literature, and science

1844 - 1128 pages
...produced by Ħin, however complex or intricate, each movement can be reduced to the influence of the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw, and even some of these are but compounded of others. There is a grand axiom to be considered in the application...
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A Glance at the Physical Sciences; Or The Wonders of Nature,: In ..., Volume 1

Samuel Griswold Goodrich - Astronomy - 1844 - 370 pages
...or alteration. They are but six in number ; and the names by which they are distinguished are, the LEVER, the WHEEL AND AXLE, the PULLEY, the INCLINED PLANE, the WEDGE, and the SCREW. Out of the whole, or a part, of these, it will be found that every mechanical engine, or piece of machinery,...
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