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 107
a—is illustrated in Fig. 57. The brokenview shows the interior arrangement providingfor the return of the circulation into the mainon its under side, through the bottom of the fit-ting. Fig. 58 shows a special style of tee having 84 HEATING AND VENTILATION top and side on a line, with outlets at…
Architecture · Building
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer02inte-119-32.webp)
