Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 14
w ill Ithat, unless counteracted by so or force, the pressure of the Bteam upon the piston /» willtend to keep the valve* constantly depin which position the stcam-porl f is full openiln count iracting force i- supplied by the actionof the hammer itself; for, 1>\ means of the tup bolted to the… … i of a ben< lever « H », the icn wi i ro 1 P. I. and that motion bein• connecting rod Q and valve lover K. thi 8 HAMMER. valve t is raised, tin:- cutting off all further ingress of steam under the piston, and almost at the samein-tant permitting the escape of thai which had served to raise the…
Mechanical engineering
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