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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 348

An illustration from 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, leaf 348
ecessary strength, the nega-tive pressure at the end of the stroke is reliedupon to open the valve. With the largest sizesof these machines, this valve is 18 inches indiameter, and, with a head of 8 feet, which is a PLUMBING 301 common head for use with hydraulic rams, thestatic pressure on the… … Fig. 114. Section of Hydraulic Earn, Showing Valve Mechanism inAir-Chamber. with a flat, ample opening; and a large rubbervalve with a balance counterweight and springseating, removing almost entirely the jar atclosing. The valve C in the air-chamber con-sists of a rubber disc with gridu*on ports…

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Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.

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