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 391
374 MACHINE CONSTRUCTION, PRINCIPLES OF. … pins A very neat and effective system for the continuous lubrication of these pins automatically isused on the Porter-Allen engine, and illustrated in Figs. 2962 and 2963. It will be observed thatthe inner end of the connecting-rod carries a projecting tube, which communicates with the cross-head…
Mechanical engineering -- Dictionaries
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