Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 389
Fig. 90. Gas Heater Con-nected toReseivoir andControlled by Ther-mostatic Valve Pro-jecting into Latter. … COLD WATERC/iAMBER-f-iOT WATERC/iAMBER COLO WATER HOT WATER COLO WATER/NLET Fig. 91. Enlarged Section of Gas Heater Shown in Fig. 90. a 30-gallon reservoir is sufficient. Not less than 40 gallons should beemployed for a bathroom job. The capacity of the average stoveheater is even too great for 40…
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