Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 93
Fig. 48. Water-Tight Outlet Box.Courtesy of H. Krantz Manufacturing Co., Brooklyn, N. 1. duits, and that the cover is screwed on tightly and a flange providedfor a rubber gasket. 74
Architecture · Building
Internet Archive · Kelly Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
