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 339
1372. COMBINED PUNCHAND SHEARS in one frame anddriven from one shaft. Each con-trolled by a treadle. 1373. SUSPENDED SWING TREADLE.^The foot takes a circular motion i no deadcentre. MILL AND FACTORY APPLIANCES. 333
Mechanical movements
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