Appletons' cyclopaedia of applied mechanics: a dictionary of mechanical engineering and the mechanical arts (1880)
D. Appleton and Company, Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 649
iston rod, in such a manner that, when the end of the rocking lever moves up or down,the short piston partially rotates. The rocking lever receives its motion from the main-piston rod,which slides under its concave surface, and alternately raises the respective ends. The chest-piston,Fig. 3551, has… … The communication between these ports is established or broken off by rotating the chest-piston.When the main piston is at the end of its stroke, the chest-piston, by the rocking shaft, is placed inthe position in which the ports above described communicate, and steam, entering the space betweenthe…
Mechanical engineering -- Dictionaries
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