Questions and answers on pumps and pumping machinery (1912)
Wakeman, William Henry, 1855- [from old catalog] · Chicago, The Joseph G. Branch publishing company · leaf 142
PUMPS AND PUMPING MACHINERY. IM same frame. The piston rod is continued through thiscylinder, and into another that is fastened to the outerend of the larger. 464. Q. For what purpose are these cylindersused? A. The larger one creates a high vacuum for usein manufacturing sugar, and the smaller… … 466. Q. Describe another form of combinedwater and vacuum pump ? A. Fig. 84 illustrates one of these pumps, showinga steam cylinder in the middle, a water cylinder at theright, and a vacuum at the left hand. 467. Q. Give the comparative sizes of pistons inthis case. A. Steam 10 inches, water 5…
Pumping machinery
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