Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 44
ht-iron plates riveted together and provided with brick-lined firepots. Types of Furnaces. Furnaces may be divided into two general 30 HEATING AND VENTILATION 21 types known as direct-draft and indirect-draft. Fig. 0 shows a com-mon form of direct-draft furnace with a brick setting; the better… … Fig. 6. A Common Type of Direct-Draft Furnace in Brick Setting.Cast-Iron Radiator at Top. draft furnaces have no radiator at all, the gases passing directly intothe smoke-pipe and carrying away much heat that should be utilized. The furnace shown in Fig. 6 is made of cast iron and has a…
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