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 134
Ojr Valve riow … 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
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
