Radford's cyclopedia of construction; carpentry, building and architecture. Based on the practical experience of a large staff of experts in actual constrcution work (1909)
Johnson, Alfred Sidney, 1860-, Radford, William A., 1865- · Chicago Radford Architectural Co · leaf 368
Fig. 125. Double Air-Lift Pump to Raise Water to Great Height. … Fig. 126. Number of Short Lifts Con^ nected. The capacity in cubic feet per niinute forvarying depths of submersion beyond theselimits may be found by means of the formula: Cubic feet= 8.24 A DL2~~ 320 PLUMBING in which D equals the depth of the submersionin feet. It is not practicable, under…
Architecture · Building
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