Practical stationary engineering : in form of questions and answers (1909)
West, Andrew Cassius, 1855- · Boston, Mass. : A.C. West · leaf 185
thehead. It is prevented from rotating by a bolt through theside entering the slot in piston. If, however, the supple-mental piston fails accidentally to be moved, or to be movedwith sufficient promptness by steam, the lug on the valverod engages with it, and compels its motion by power derivedfrom… … Figure 46.Tappet Motion Pattern.
Steam engineering · Steam-engines · Steam-boilers
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