Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 178
/////y///y/y/^^^^^ Fig. 17. Harp Coll. shown in Fig. 7, Part I, and Fig. 3, Part II (Heating and Ventila-tion), the shallow sections beingused largely for house heating,the deep ones for schoolhousesystems. The latter arc provided with extra long nipples for spac- ■5/atfed ~ Opening Fresh AirDuct … ino; the sections about 4 inches oncenters, to give a proper passagefor a large volume of air. Indirect Radiators. The in-direct radiators are enclosed inhamper FronT^ galvauizcd-iron casings about 30/Poo/77 \ inches deep, giving a space of 6or 8 inches above and below the Fig. 18. Direct-Indirect…
Architecture · Building · Carpentry
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