Stationary steam engines, simple and compound; especially as adapted to light and power plants (1899)
Thurston, Robert Henry, 1839-1903 · New York, J. Wiley & Sons; [etc., etc.] · leaf 124
those engines. The valve stems have no stuffing boxes,but pass into the chest through unusually long and carefullyfitted holes, in a hub, made about five one-thousandths ofan inch larger than the rod inside the Babbitt metal bush-ing, for a length of six diameters or more. The hub isloose in the… … ELECTRIC LIGHTING PLANTS. 105 guide at each end at every stroke, and thus is rendered safeagainst wearing to a shoulder. A pin subject to recipro-cating efforts in any part of an engine, whether it rotates, orcarries a rotating or a vibrating piece, is apt, in time, toshow wear on the two sides in…
Steam-engines
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