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 40
Fig. 24.- -Six-column, low form of hot-water radiators to be placed underwindows. The ordinary method of heating by the use of radiators isknown as the direct method. The air is heated by comingdirectly into contact with the radiators and distributed through
Heating · Lighting · Plumbing
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