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Mechanical movements, powers and devices; a treatise describing mechanical movements and devices used in construcive and operative mechinery and the mechanical arts, being practically a mechanical dictionary (1917)

Hiscox, Gardner Dexter, 1822?-1908 · New York : The Norman W. Henley publishing co. · leaf 49

An illustration from Mechanical movements, powers and devices; a treatise describing mechanical movements and devices used in construcive and operative mechinery and the mechanical arts, being practically a mechanical dictionary, 1917, leaf 49
o will be inversely as the pitchdiameters; but if the spiral angles are not equal, thenumber of teeth per inch of pitch diameter will vary.In any case the velocity ratio will depend upon thenumber of teeth and their spiral angle, as expressed in the followingproportion: v^ the velocity of the small… … TRANSMISSION OF POWER. 43

Mechanical movements

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