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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 337

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 337
1361. STAMP MILL CAM MOTION.^The revolution of two or more cam wipers lifts the stamphammers to drop by gravity. … 1362. BLACKSMITHS HELPER, orfoot helve hammer. Operated by the footon the treadle. Hammer held up by thespring. 1363. REVOLVING RAPID-BLOW HAM-MER.—The centrifugal action of the revolvingarms throws the hammers outward.

Mechanical movements

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