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 344
re-versing the handle, and pushing the piston downinto the cylinder, the air, being compressed,closes the lower or inlet valve, and forces theupper valve open, which allows the ail withinthe cylinder to escape through the hole in the … Fig. 112. Common Lift Pump. piston, xit the end of the stroke, the aii whichwas contained in the cylinder has been pushedout through the piston and above it, and this aii-is lifted out of the pump by the next upwardstroke. A few strokes will remove the remain-ing ail from the suction pipe; and the…
Architecture · Building
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
