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Βιβλία Βιβλία 21 - 30 από 180 για These are usually accounted six in number, viz. the Lever, the Wheel and Axle, the....
" These are usually accounted six in number, viz. the Lever, the Wheel and Axle, the Pulley, the Inclined Plane, the Wedge, and the Screw. "
A Practical Treatise on Arithmetic ...: Combining the Useful Properties of ... - Σελίδα 246
των George Leonard (jr.) - 1841 - 340 σελίδες
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Library of Useful Knowledge: Natural philosophy, Τόμος 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...

Iconology; or, Emblematic figures explained

William Pinnock - 1830 - 420 σελίδες
...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,...

A Dictionary of the Military Science: Containing an Explanation of the ...

E. S. Norman Campbell - 1830 - 284 σελίδες
...than, without their aid, could be effected by mere natural strength ; they are seven in number, viz. the Lever, the Wheel and Axle, the Pulley, the Inclined Plane, the Wedge, the Screw, and the Funicular Machine. The Lever has already been described. In the Wheel and...

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

William Pinnock - 1830 - 444 σελίδες
...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,...

Introduction to Mensuration and Practical Geometry

John Bonnycastle - 1833 - 288 σελίδες
...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 Wedge — and the Screw. LEVER. To make the principle easily understood, we must suppose the lever...

A million of facts

Richard Phillips (sir.) - 1832
...and La Grange. The mechanical powers may be reduced to three, but they are usually expressed as six, the lever, the wheel and axle, the pulley, the inclined plane, the screw, and the wedge. In a single movable pulley the power gained is doubled. In a continned combination the power is twine...

The mechanic's calculator, or Workman's memorial book

William Grier - 1832
...other. 2. The simple machines, or those of which all others are constructed, are usually reckoned six: the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw. To these the funicular machine is sometimes added. THE LEVER. 4. A lever is an...

On the Improvement of Society by the Diffusion of Knowledge, Or, An ...

Thomas Dick - 1833 - 542 σελίδες
...of a few bars of thin iron ?" And when we consider that all the mechanical powers may be reduced to the lever, the wheel and axle, the pulley, the inclined plane, the * Lord Brougham. wedge and the screw, how astonishing are the forces exerted, and the effects produced,...

The millwright & engineer's pocket companion

William Templeton (engineer.) - 1833
...help of the machine. The simple machines, usually called mechanic powers, are six in number, namely, the Lever, the "Wheel and Axle, the Pulley, the Inclined Plane, the Wedge, and the Screw. There are three kinds of levers, caused by the different situations of the weights,...

Mechanics for Practical Men: Containing Explanations of the Principles of ...

James Hann, Isaac Dodds - 1833 - 208 σελίδες
...great resistance, by a small force. The mechanical powers are usually accounted six in number, viz. the Lever, the Wheel and Axle, the Pulley, the Inclined Plane, the Wedge, and the Screw. i THE LEVEE. 35.- A Lever is an inflexible rod, moveable about a certtre of motion,...




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