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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 51

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 51
heel driver C interrupts the motionof A and B alternately. 138. VARIABLE SPEED BEVELGEAR.—A bicycle novelty. One revolutionof A gives two revolutions of B. A is anelliptic bevel gear central on the shaft. Bis an elliptic bevel gear of one-half the num-ber cf teeth of A and revolves on one of…

Mechanical movements

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