Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 232
e of galvanized iron, the 188 HEATIXG AND VENTILATION 179 ducts being run at the basement ceiling. No. 20 and No. 22 ironis used for the larger sizes, and No. 24 to No. 28 for the smaller. Regulating dampers shouldbe. placed in the branches lead-ing to each flue, for increasing orreducing the… … 15,5. Adjustable Deflector Placed at Forkof Pi]>e to Regulate Air-Supply. heater v/here the t}^e of heater pj^, shown in Fig. 138 is used; and Fig. 157 is a self-contained apparatus in which the heater is inclosed in a steel casinfx. Factory Heating. The application of forced blast for theCOLD…
Architecture · Building · Carpentry
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