Questions and answers on pumps and pumping machinery (1912)
Wakeman, William Henry, 1855- [from old catalog] · Chicago, The Joseph G. Branch publishing company · leaf 173
the sides. 566. Q. Why is this a valuable feature? A. Because water of varying temperature will notcause parts of the cast-iron receiver to expand and con-tract unevenly enough to be unsafe. 162 QUESTIONS AND ANSWERS ON 567. Q. What damage could result from suchaction? A. It is possible to crack… … FIG. f04. A. Such a valve would very seldom be used, and itmight be accidentally closed, when it ought to be open.It is better to omit a valve here according to commonpractice. 569. Q. Where continuous service is necessary,should the pump and receiver be in duplicate, so thatif one is disabled the…
Pumping machinery
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