Questions and answers on pumps and pumping machinery (1912)
Wakeman, William Henry, 1855- [from old catalog] · Chicago, The Joseph G. Branch publishing company · leaf 122
matter. 401. Q. What kind of pumps are properly classedunder the head of Special Single Pumps ? A. Pumps that are fitted with one steam cylinderonly, and are made in some special form for regularduty, such as boiler feeding and similar service, andthose of unique design that are intended for… … tD DDL 112 QUESTIONS AND ANSWERS ON EL*
Pumping machinery
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