Books Books
MECHANICAL POWERS are certain simple instruments employed in raising greater weights, or overcoming greater resistance than could be effected by the direct application of natural strength. They are usually accounted six in number; viz. the Lever, the...
A Course of Mathematics in Two Volumes for the Use of Academies as Well as ... - Page 145
by Charles Hutton - 1807

## Library of Useful Knowledge: Natural philosophy, Volume 1

1829 - 538 pages
...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...

## Scientific Dialogues: Intended for the Instruction and ..., Volume 1

Jeremiah Joyce - Science - 1829 - 278 pages
...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...

## The Athenaeum and Literary Chronicle, Volume 1, Issues 63-92

1829 - 460 pages
...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...

## The Eclectic Review, Volume 2; Volume 50

...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...

## The Register of Arts, and Journal of Patent Inventions, Volume 3

Luke Herbert - Industrial arts - 1829 - 394 pages
...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,...

## The Register of arts, and journal of patent inventions, ed. by L ..., Volume 3

Luke Hebert - 1829 - 392 pages
...BTUoN. 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,...

## Iconology, Or, Emblematic Figures Explained in Original Essays on Moral and ...

William Pinnock - Emblems - 1830 - 520 pages
...which are certain instruments employed for supporting weights, and giving motion to bodies, are six, viz. the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw : all the latter, however, are but different modifications of the lever. * BALUEC, anciently called...

## Iconology: Or Emblematic Figures Explained;: In Original Essays on Moral and ...

William Pinnock - Emblems - 1830 - 576 pages
...which are certain instruments employed for supporting weights, and giving motion to bodies, are six, viz. the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw : all the latter, however, are but different modifications of the lever. * BALBEC, anciently called...