 | James Bates Thomson - Arithmetic - 1847 - 434 pages
...uble-decker3 whose engt! ii 150 ft., the breadth 35 ft., and the depth 25 ft. 1 MECHANICAL POWERS. The Mechanical powers are six, viz: the lever, the wheel and axle, \h& pulley, the inclined plane, the screw, and the wedge. €,4I19)0 When the 'power and weight act... | |
 | Arithmetic - 1847 - 292 pages
...through all the points. MECHANICAL POWERS. The Mechanical Powers in common use are sjx in number ; the Lever, the Wheel and Axle, the Pulley, the Inclined Plane, the Wedge and the Screw. The Weight is the body to be moved ; the Power is the body that moves it ; and... | |
 | Edward Cresy - 1847 - 912 pages
...and the several machines described for defence, show a thorough acquaintance with the properties of the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw ; and Euclid's Elements, collected about 280 years before Christ, for the instruction... | |
 | Miles M. Rodgers - Agriculture - 1848 - 306 pages
...and beautiful pieces of machinery which have ever been constructed. These few elementaiy powers are, the lever, the wheel and axle, the pulley, the inclined plane, the wedge and the screw. The lever is a straight bar placed upon a supporting point called a fulcrum, with... | |
 | James Bates Thomson - Arithmetic - 1849 - 438 pages
...and the depth 25 ft. 1 24. What is the carpenter s tonnage of the same vessel 1 MECHANICAL POWERS. The Mechanical powers are six, viz: the lever, the...inclined plane, the screw, and the wedge. 649. When the piwer and weight act perpendicularly to the arms of a trraisiht lever, the power is to the weight,... | |
 | Daniel Adams - Arithmetic - 1849 - 142 pages
...employed to facilitate the moving of weights or the overcoming of resistance. They are six in number ; viz., the Lever, the Wheel and Axle, the Pulley, the Inclined Plane, the Wedge, and the Screw. In mechanical powers and in machinery, the thing to be moved, or the resistance... | |
 | Minard Lafever - Architecture - 1849 - 306 pages
...the natural strength without them. The simple machines, called Mechanical powers, are six in number ; viz. the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw ; and of these all the most compound engines consist. The general principle is,... | |
 | John Craig (F.G.S.) - 1849 - 1148 pages
...mechanics in philosophy ; acting by physical power. Mechanical powers, or elementary machines, are the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw: to which some writers have added the rope-machine and the balance. All these,... | |
 | Charles Tomlinson - 1849 - 188 pages
...resistance. In the composition of machines it is usual to speak of six mechanical porcers ;* namely, the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw; although in reality these contrivances are but applications of the principle... | |
 | Rufus Putnam - Arithmetic - 1849 - 402 pages
...complicated, are formed by combining a few simpler machines, commonly called the " Mechanic Powers." They are, the Lever, the Wheel and Axle, the Pulley, the Inclined Plane, the Wedge, and the Screw. In any machine, the force or original prime mover is called thePowER. The resistance... | |
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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. 
