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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: For the Use of Academies, as Well as Private Tuition - Page 154
by Charles Hutton - 1831

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

1829
...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...

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

1829
...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...

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

Luke Hebert - 1829
...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,...

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

Luke Herbert - Industrial arts - 1829
...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 Eclectic Review

1829
...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...

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

William Pinnock - Emblems - 1830 - 420 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...

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

William Pinnock - Emblems - 1830 - 420 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...

## Introduction to Mensuration and Practical Geometry

John Bonnycastle - Measurement - 1833 - 288 pages
...Powers are the most simple of mechanical applications to increase force and overcome resistance. They are usually accounted six in number, viz. The Lever...The Inclined Plane — The Wedge — and the Screw. LEVER. To make the principle easily understood, we must suppose the lever an inflexible rod without...