Questions and answers on pumps and pumping machinery (1912)
Wakeman, William Henry, 1855- [from old catalog] · Chicago, The Joseph G. Branch publishing company · leaf 49
38 QUESTIONS AND ANSWERS ON … PUMPS AND PUMPING MACHINERY. 39 A. It prevents jars and friction due to suddenchange in the direction of flow of water. 152. Q. Is water elastic? A. Strictly speaking, water is a solid body whenconfined in a closed vessel, but in its natural state itcontains a small proportion of air, and as this…
Pumping machinery
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