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Mechanical movements, powers and devices; a treatise describing mechanical movements and devices used in constructive and operative machinery and the mechanical arts, being practically a mechanical dictionary, commencing with a rudimentary description of the early known mechanical powers and detailing the various motions, appliances and inventions used in the mechanical arts to the present time, including a chapter on straight line movements, by Gardner D. Hiscox (1914)

Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 192

An illustration from Mechanical movements, powers and devices; a treatise describing mechanical movements and devices used in constructive and operative machinery and the mechanical arts, being practically a mechanical dictionary, commencing with a rudimentary description of the early known mechanical powers and detailing the various motions, appliances and inventions used in the mechanical arts to the present time, including a chapter on straight line movements, by Gardner D. Hiscox, 1914, leaf 192
672. PNEUMATIC HAM-MER.—Constructed on simi-lar lines with No. 673, withthe addition of a counter-balance piston, C, which, by-its reaction and cushion, re- lieves the body of the tool and the hand from excessive jar. … 673. PNEUMATIC HAMMER.—F is the flexible hose con-nection. When T is pressed, compressed air enters through the piston valve and portsP^, into the cylinder, asindicated by the arrows inthe cut. The piston willfirst move to the top. Theeffective pressure is thatdue to the area of the pis-ton. When P…

Mechanical movements

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