Questions and answers on pumps and pumping machinery (1912)
Wakeman, William Henry, 1855- [from old catalog] · Chicago, The Joseph G. Branch publishing company · leaf 157
the operation. A. A hollow float is provided, and if the waterrises high enough in the condenser to be dangerous,air is admitted to break the vacuum and the enginethen exhausts into the atmosphere. 522. Q. Are jet condensers sometimes made inmore compact form than the foregoing… … ro.93. A. Yes; Fig. 94 shows a vertical, double air pump,which can be used with either kind of condenser. 524. Q. Why is only one vertical steam cylinderused? A. This particular kind is recommended for com-paratively small plants, and the use of one steamcylinder large enough to operate both air…
Pumping machinery
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