Questions and answers on pumps and pumping machinery (1912)
Wakeman, William Henry, 1855- [from old catalog] · Chicago, The Joseph G. Branch publishing company · leaf 128
Ef 3 … 118 QUESTIONS AND ANSWERS ON 416. Q. For what purpose are hydraulic pumpsused? A. Whenever a very high water pressure is re-quired. This covers locomotive and car works, pipeand tube works, cotton and tobacco pressing, cranesand drawbridges. 417. Q. Describe a pump used in such service.A. Fig. 75…
Pumping machinery
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