 | Oliver Byrne - Engineering - 1852 - 600 pages
...strength than is necessary without them. They are usually accounted six in number, viz. the fever, the wheel and axle, the pulley, the inclined plane, the wedge, and the serew ; but properly two of these comprise the whole, namely, the lever and inclined plane, — the... | |
 | Samuel Griswold Goodrich - Children's literature - 1852 - 372 pages
...alteration. They are but six in number ; and the names by which they are distinguished are, the LEVEE, the WHEEL AND AXLE, the PULLEY, the INCLINED PLANE, the WEDGE, and the SCEEW. Out of the . whole, or a part, of these, it will be found that every mechanical engine, or piece... | |
 | Oliver Byrne - Engineering - 1852 - 604 pages
...than is necessary without them. They are usually accounted six in number, viz. the lever, the ivJieel and axle, the pulley, the inclined plane, the wedge, and the screw; but properly two of these comprise the whole, namely, the lever and inclined plane, — the wheel and... | |
 | Thomas Tate - Mechanical engineering - 1853 - 408 pages
...number of times that the weight is greater than the power. There are six mechanical powers, — the Lever, the Wheel and Axle, the Pulley, the Inclined Plane, the Wedge, and the Screw. THE LEVER. 114. A lever is a rigid rod, moveable about a fixed point, called the fulcrum or centre... | |
 | William Jordan Unwin - 1853 - 172 pages
...II.— TUESDAY. THE MECHANICAL POWEBS — THE LEYES, AND WHEEL AND AXLE. The Mechanical Powers are the Lever, the Wheel and Axle, the Pulley, the Inclined Plane, the Wedge, and the Screw. These are certain contrivances for lifting or otherwise moving large weights by the application of... | |
 | William Somerville Orr - Science - 1854 - 422 pages
...the same thing may be said of the demonstrations respecting the mechanical powers in general, — the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw. In Hydrostatics it is self-evident that a solid and insoluble body, immersed in a liquid, must displace... | |
 | Septimus Norris - Locomotives - 1854 - 336 pages
...through a less space, a weight heavier than itself. Power is gained at the expense of space, by the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw. LEV 血 R . Case 1.@ When the fulcrum of the lever is be tween the power and the weight. RULE.@Divide... | |
 | J. Stevenson Bushnan - 1854 - 268 pages
...the same thing may be said of the demonstrations respecting the mechanical powers in general, — the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw. In Hydrostatics it is self-evident that a solid and insoluble body, immersed in a liquid, must displace... | |
 | John Johnston - Physics - 1854 - 420 pages
...which we are accustomed to raise weights and overcome resistances, i They are six in number, viz., the Lever, the Wheel and Axle, the Pulley, the Inclined Plane, the Wedge, and the Screw. But as the wheel and axle act essentially on the same principle as the lever, and the wedge and the... | |
 | Charles Tomlinson - Mechanics - 1854 - 192 pages
...resistance. In the composition of machines, it is usual to speak of fix mechanical powers ;* namely, the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screws although in reality these contrivances are but applications of the principle of virtual velocities,... | |
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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. 
