Mechanical movements, powers, devices and appliances (1901)
Hiscox, Gardner Dexter, 1822?-1908 · New York, N. W. Henley & company · leaf 247
932. BALL GEAR with traverse pinions. Hasa very limited traverse of the pinions. iins 933. SPIRAL GEARING.—V gearing, in whichthe teeth are at a small angle with the plane of rota-tion, makes a perfectly silent transmission of power.
Mechanical movements
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