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Βιβλία Βιβλία 11 - 20 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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A general view of the sciences and arts, Τόμος 1

William Jillard Hort - 1822
...POWERS.' The simple machines, or mechanical powers, arc usually accounted to be the six following : — the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw. A lever is an inflexible bar, or rod, moving freely round a point, called its...

A Popular Course of Pure and Mixed Mathematics ...: With Tables of ...

Peter Nicholson - 1825 - 372 σελίδες
...of which, all machines, however complicated, are constructed. These powers are six in number, viz. the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw. Before we enter upon a particular description of these instruments and the calculation...

The Operative Mechanic, and British Machinist: Being a Practical Display of ...

John Nicholson - 1825 - 795 σελίδες
...its origin solely to this cause. OF THE MECHANICAL POWERS. THE mechanical powers are six in number, the LEVER, the WHEEL and AXLE, the PULLEY, the INCLINED PLANE, the WEDGE, and the SCREW. A perfect knowledge and thorough appreciation of which should be clearly understood...

Scientific Dialogues: Intended for the Instruction and ..., Τόμος 1

Jeremiah Joyce - 1825
...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...

A Treatise of Mechanics: Theoretical, Practical, and Descriptive, Τόμος 1

Olinthus Gregory - 1826
...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 the mechanical advantage...

The Christian Philosopher, Or, The Connection of Science and Philosophy with ...

Thomas Dick - 1826 - 397 σελίδες
...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...

The Register of Arts, and Journal of Patent Inventions, Τόμος 3

Luke Herbert - 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, but they are very...

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

Luke Hebert - 1829
...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,...

Scientific Dialogues: Intended for the Instruction and ..., Τόμος 1

Jeremiah Joyce, Olinthus Gregory, Charles Vincent Walker - 1829
...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...

The Athenaeum and Literary Chronicle, Τόμος 1,Τεύχη 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,...




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