Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 43
•VZZZ, r L *==s^^^ … ashes and soot. Furnaces are made either of cast iron, or of wrought-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…
Architecture · Building · Carpentry
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