Mechanical movements, powers, devices and appliances; (1903)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The N.W. Henley & co. · leaf 190
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 portsTo, 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
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten07unit-567-371.webp)
