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 135
Fig. 78. A Comer Coil. are the ones in common use. As it is customaryto connect all coils on the two-pipe plan—that is,with a separate flow and return pipe—the con-structions will do equally well for both steamand hot water. 110 HEATING AND VENTILATION VALVES Kinds of Valves. Valves as used on…
Architecture · Building
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