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 106
.—^Two discs fixed to ashaft have on their face aseries of circular grooves andtongues, meshed with a pairof fixed discs with grooves andtongues, as shown in small sec-tion 367. The tongues onthe revolving discs are cut across at short distances in a slanting direc-tion. The tongues on the…
Mechanical movements
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