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
volume of air, wehave: 16.824 ALift in feet=- C in which A equals the number of cubic feet offree air per minute. The efficiency of the air-lift, as previouslystated, varies with the ratio of depth of sub-mersion to total lift, the efficiency generally in-creasing with increased submersion up to… … Fig. 125. Double Air-Lift Pump to Raise Water to Great Height.
Architecture · Building
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
