Mechanics of the household; a course of study devoted to domestic machinery and household mechanical appliances (1918)
Keene, E. S. (Edward Spencer), b. 1864 · New York, McGraw-Hill book company, inc.; · leaf 67
arging the vitiated air fromthe rooms. Combination Hot-air andHot-water Heater.—In thecase of large houses heatedby hot air it is sometimesbetter to use two or morefurnaces than to attempt tocarry the heat long dis-tances in the customarypipes. Where heat is re-quired in rooms located at adistance… … Fig 47.—Interior construction of a com-bination hot-water and hot-air furnace. THE HOT-AIR FURNACE 57 This furnace contains, first, the essential features of a hot-airfurnace; next, it includes a hot-water plant. The fire-box andair-heating surfaces are easily recognized. The arrows show thecourse…
Heating · Lighting · Plumbing
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