A catechism of the steam engine in its various applications to mines, mills, steam navigation, railways, and agriculture. With practical instructions for the manufacture and management of engines of every class (1864)
Bourne, John · New York, D. Appleton & co. · leaf 113
le probably isthe 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 OP 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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