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 698
at such a point, found by trial, where bestefficiency of the ram is obtained. A pieceof rubber interposed between the ends ofstem and tap-bolt serves to soften the blowof the descending valve. The face of thewaste-valve is a ring of wrought iron rivetedto the valve, with three thicknesses of…
Mechanical engineering -- Dictionaries
Internet Archive · Boston Library Consortium · Public Domain Mark 1.0. Free to use for anything.
