A catechism of the steam engine and its various applications to mines, mills, steam navigation, railways, and agriculture (1876)
Bourne, John, civil engineer. [from old catalog] · New York, D. Appleton and company · leaf 111
ple probably is the application of a cam giving mo-tion to the throttle valve, or to avalve of the same construction,which either accurately fits thesteam pipe, or which comes roundto a face, which, however, it is re-strained from touching by a suita-ble construction of the cam. A kindof expansion… … MODE OF ALTERING RATE OF EXPANSION. 97 an annulus or bulging cylinder of brass, with a steam-tightface both at its upper and lower edges, at which points itfits accurately upon a stationary seat. This annulus may beraised or lowered without being resisted by the pressureof the steam, and in…
Steam engineering · Steam-engines
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