The practical application of the slide valve and link motion to stationary, portable, locomotive, and marine engines : with new and simple methods for proportioning the parts (1897)
Auchincloss, William Stuart, 1842-1928 · New York : Van Nostrand · leaf 176
. A /^-?vAp^. F~\ … attained by increasing the number of the steam ports twoor three fold, so that \ or \ of the travel will suffice to openthe same extent of port area. For a reduction in the travel 136 link: and eecipeocatikg of one-half, the parts are commonly arranged as shown inFig. 51. In this the valve edges F…
Steam-engines
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