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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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On the improvement of society by the diffusion of knowledge. The philosophy ...

Thomas Dick - Astronomy - 1850 - 964 pages
...bars of thin iron ?" And when we consider that all the mechanical powers may be reduced to the lentr, the wheel and axle, the pulley, the inclined plane, the wedge and the jereto, how astonishing are the forces exerted, and the effects produced, by their various combinations...
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Science simplified, and philosophy, natural and experimental, made easy

rev. David Williams (M.A.) - 1851 - 168 pages
...denominated Statics will be the subject of the present inquiry. The mechanical powers are six: the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw. The lever is the most powerful, because there is no limit to the difference of intensity in force of...
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Principles and Practice of Statics and Dynamics: Embracing a Clear ...

Thomas Baker - Dynamics - 1851 - 188 pages
...change the direction of any force. The mechanical powers are usually considered six in number ; — the Lever, the Wheel and Axle, the Pulley, the Inclined Plane, the Wedge, and the Screw. The first three, when in a state of equilibrium, may be reduced to the lever ; and the three last,...
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Village science; or, The laws of nature explained, by the author of 'Peeps ...

E W. P - 1851 - 262 pages
...mechanical powers now, mamma ?" " Yes, I believe you may refer all sorts of mechanical contrivances to the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw, either separately or combined." "I will notice, mamma, and then whether I am in the town or the country,...
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The principles and practice of statics and dynamics

Thomas Baker (C.E.) - 1851 - 168 pages
...change the direction of any force. The mechanical powers are usually considered six in number ; — the Lever, the Wheel and Axle, the Pulley, the Inclined Plane, the Wedge, and the Screw. The first three, when in a state of equilibrium, may be reduced to the lever ; and the three last,...
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The Principles and Practice of Statics and Dynamics, Embracing a Clear ...

T. Baker - Dynamics - 1851 - 172 pages
...change the direction of any force. The mechanical powers are usually considered six in number;—the Lever, the Wheel and Axle, the Pulley, the Inclined Plane, the Wedge, and the Screw. The first three, when in a state of equilibrium, may be reduced to the lever ; and the three last,...
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Iconographic Encyclopaedia of Science, Literature, and Art, Volume 1

Johann Georg Heck - Encyclopedias and dictionaries - 1851 - 712 pages
...arrangements of which all machinery is compounded. Of these, six are generally distinguished : the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw. All these, however, may strictly be reduced to two — the lever and the inclined plane ; on which...
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Young Scientist: A Practical Journal for Amateurs, Volume 1

1851 - 716 pages
...simple arrangements of which all machinery is compounded. Of these, six are generally distinguished: the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw. All these, however, may strictly be reduced to two — the lever and the inclined plane ; on which...
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Ohio Educational Monthly and the National Teacher, Volumes 1-2

Education - 1852 - 844 pages
...conceptions of the nature of power, and what it is to which we apply that term. For instance, we speak of the Lever, the Wheel and Axle, the Pulley, the Inclined Plane, the Wedge and the Screw as " Mechanical Powers." And although no one, who stops to think carefully upon the subject, supposes...
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Norris's Hand-book for Locomotive Engineers and Machinists

Septimus Norris - Locomotives - 1852 - 356 pages
...raise, through a less space, aweight heavier than itselfPower is gained at the expense of space, by the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screwLEVER Case 1- — When the fulcrum of the lever is between the power and the weightRULE — Divide...
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