 | Thomas Dick - 1826 - 414 стор.
...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... | |
 | Olinthus Gregory - 1826 - 604 стор.
...combined powers are estimated they must be divided in the investigation ; these are in number six, viz. the lever, the wheel and axle, the pulley, the inclined plane, the screw, and the wedge. These are most commonly known by the name of the mechanical powers. In all these... | |
 | Robert Brunton - 1828 - 222 стор.
...applications to increase force, and overcome resistance. They are usually accounted six in number, viz. The LEVER, — The WHEEL and AXLE, — The PULLEY, The INCLINED PLANE, The MECHANICAL POWERS. LEVER. ii To make the principle easily understood, we must suppose the Lever an... | |
 | 1829 - 500 стор.
...simple instruments or elements of which every " machine, however complicated, must be constructed : they are the Lever, the Wheel and Axle, the Pulley, the Inclined Plane, the Wedge, and the Screw. MELTING POINT. That point of the thermometer which indicates the heat at which any particular solid... | |
 | 1829 - 460 стор.
...Former Annuals, contains, by Tables and Easy Rules, free from Algebraic Formula:, the Calculations of the Lever, the Wheel and Axle, the Pulley, the inclined Plane, the Wedge and the Screw, the Gravitating Property of Bodies, the Centres of Gravity, Gyration, and Percussion, the Vibrations... | |
 | 1829 - 522 стор.
...instruments or elements of which every machine, however complicated, must l>e constructed : they aro the Lever, the Wheel and Axle, the Pulley, the Inclined Plane, the Wedge, and the Screw. MELTING POINT. That point of the thermometer which indicates the heat at which any particular solid... | |
 | Jeremiah Joyce - 1829 - 278 стор.
...were in vain to expect you to comprehend the principles of mechanics. There are six mechanical powers. The lever ; the wheel and axle ; the pulley ; the inclined plane ; the wedge; and the screw. Emma. Why are they called mechanical powers? ,« Father. Because, by their means we are enabled mechanically... | |
 | Samuel Greatheed, Daniel Parken, Theophilus Williams, Josiah Conder, Thomas Price, Jonathan Edwards Ryland, Edwin Paxton Hood - 1829 - 592 стор.
...Author briefly describes the nature and properties of the six mechanical powers, — the lever, the K wheel and axle, the pulley, the inclined plane, the wedge, and the screw, and then their simple combinations. In proceeding to illustrate the practical application of these... | |
 | Luke Herbert - 1829 - 394 стор.
...iNTUODtTCTIOy. THE elements of machinery are, by writers on mechanics, generally itivided into six kinds ; viz. the lever, the wheel and axle, the pulley, the inclined plane, the screw, and the wedge. There seems, however, to be one or two other ways of generating mechanical efficacy,... | |
 | Luke Hebert - 1829 - 392 стор.
...Tn» elttnonts of machinery are, by writers on mechanics, generally tiivVded into six fcintU ; viz. the lever, the wheel and axle, the pulley, the inclined plane, the screvr, and the wedge. There seems, however, to be one or two other ways of generating mechanical efficacy,... | |
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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. 
