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 644
the junction of the two chambers, which are alternately opened and closed for 3541. the admission of steam. Each chamber communicatesby means of a separate suction-valve, E E, with thecommon vertical induction-passage D. II are valve-guards to prevent the valves from opening too far.Each chamber…
Mechanical engineering -- Dictionaries
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