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 528
roke in the downward di-rection, the stop P1 strikes the arm Mand turns the valve M, to check the flow.When it has nearly completed its mo-tion in the upward direction, the stop P1strikes the arm M and turns it in theother direction, to stop the flow. Afterbeing turned in either direction, the…
Mechanical engineering -- Dictionaries
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