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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. "
Elements of General Knowledge: Introductory to Useful Books in the Principal ... - Page 71
by Henry Kett - 1805
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Rudimentary Dictionary of Terms Used in Architecture, Civil ..., Volumes 1-2

John Weale - Architecture - 1850 - 590 pages
...supposed to - be perfectly rigid. The mechanical powers, sometimes described as six in number, viz. the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw, are reducible to two only, viz. the lever and the inclined plane, in each of which the effect produced...
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The Works of Thomas Dick ...

Thomas Dick - Cosmology - 1850 - 684 pages
...of a few bars of thin iron ?" And when we consider that all the mechanical powers may be reduced to the lever, the wheel and axle, the pulley, the inclined plane, the wedge and the screw, how astonishing are the forces exerted, and the effects produced, by their various combinations in...
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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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The National Arithmetic on the Inductive System: Combining the Analytic and ...

Benjamin Greenleaf - Arithmetic - 1850 - 368 pages
...power. The body which receives motion from another is called the weight. The mechanical powers are six, the Lever, the Wheel and Axle, the Pulley, the Inclined Plane, the Screw, and the Wedge. THE LEVER. about a fixed point, called its I /\ The lever is a bar, movable fulcrum...
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The Treasury of Knowledge and Library of Reference: A million of facts [The ...

1850 - 766 pages
...and La Grange. The mechanical powers may be reduced to three, but they are usually expressed as six, the lever, the wheel and axle, the pulley, the inclined plane, the screw, and the wedge. In a single moveable pulley the power gained is doubled. In a continued combination...
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Essays on the kindergarten, a selection of lects. read before the London ...

Essays - 1881 - 164 pages
...ILLUSTRATE THE MECHANICAL POWERS. A Box of Working Models, of the Six Simple Mechanical Powers : namely, the Lever, the Wheel and Axle, the Pulley, the Inclined Plane, the Wedge, and the Screw ; with Description, Experiments, and Engravings. (These models are accurately executed in wood. Size...
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Natural Philosophy: For the Use of Schools and Academies

Joseph Anthony Gillet, William James Rolfe - Physics - 1881 - 544 pages
...person who winds the clock. G. MACHINES. simple machines, or mechanical powers. These are the /ever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw. The force applied to work the machine is called the power; and the resistance overcome by the machine,...
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Intermediate Lessons in Natural Philosophy

Edwin James Houston - Physics - 1881 - 220 pages
...various combinations of a number of simple machines, called the mechanical powers. The mechanical powers are the lever, the wheel and axle, the pulley, the inclined plane, the wedr/e, and the screiv. The mechanical powers are all modifications of the lever, or of the inclined...
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A course of elementary reading in science and literature, compiled by J.M. M ...

James Melville M'Culloch - 1882 - 442 pages
...machines, which are called the mechanical powers, are six in number, and have the following names, — the Lever, the Wheel and Axle, the Pulley, the Inclined Plane, the Wedge, and the Screw. Every one has seen men raising a stone by means of a bar of iron. This bar is a Lever. In this machine...
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An Elementary Treatise on Mechanics

C. J. Kemper - Mechanics - 1882 - 286 pages
...point, practically available at another, are called the mechanical powers. Amongst them may be reckoned the Lever, the Wheel and Axle, the Pulley, the Inclined Plane, the Wedge, and the Screw. It will be seen, however, that these six may be reduced in principle to two, the Lever and the Inclined...
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