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 166
of the action involved, the fire isautomatically controlled. The piping for a vacuum job must be abso-lutely tight throughout, in order to insure thatno air can leak into the sj^stem and destroy thevacuum carried. For this same reason, thestuffing-boxes of all attached valves should be HEATING AND… … /ronl £deyation t^iofe ^Tieyafi-on Fig. 110. Combined Eeceiver, Draught Regulator, and Relief ApparratU5 Used in Broomell Vapor System #f Heating. gauge; and for small air-lines, the pipe and fit-tings prove more suitable if galvanized. Heating by the vacuum plan is sure to proveeconomical, because…
Architecture · Building
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