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" Wlten two bodies are farced from one, another by means of a wedge, in a direction parallel to its back. RULE. As the length of the wedge is to half its back or head, so is the resistance to the power. EXAMPLE. The breadth of the back or head of the wedge... "
Improvement to Palmer's Endless Self-computing Scale and Key: Adapting it to ... - Σελίδα 70
των John E. Fuller - 1846 - 72 σελίδες
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The Mechanic's, Machinist's, and Engineer's Practical Book of Reference

Charles Haslett - 1859 - 517 σελίδες
...Ibs. As 10 : H :: 150 : 22* Ibs., the power. Case 2. When only one. of the bodies is movable. RCLE. As the length of the wedge is to its back or head, so is the :esistance to the power. EXAMPLE. The breadth, length, and force, the same as in the last Bxample....

The Artillerists̓ Manual, and British Soldiers̓ Compendium

Frederick Augustus Griffiths - 1859 - 354 σελίδες
...means of a wedge, in a direction parallel to its back. Rule. — As the length of the wedge is to half its back, or head, so is the resistance, to the power. Example. — The breadth of the back, or head of the wedge, being 3 inches, and the length of either of its inclined sides 10...

A Manual for Naval Cadets

John McNeill Boyd - 1860 - 548 σελίδες
...Ibs. As 10 : 1J :: ISO : 22£ Ibs. — Answer. When only one of the bodies is moveable. Rule. — A» the length of the wedge is to its back or head, so...as in the last example. As 10 : 3 : : 150 : 45 Ibs. — Answer. The Screw is a cord wound in a spiral direction round the periphery of a cylinder, and...

The artillerist's manual, and compendium of infantry exercise

Frederick Augustus Griffiths - 1868
...wedge, in a direction parallel to its back. Rule. — As the length of the wedge is to half its buck, or head, so is the resistance, to the power. Example. — The breadth of the back, or head of the wedge, being 3 inches, and the length of either of its inclined sides 10...




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