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 245
tube.The chemicals used for absorbing the carbonic acid gas are fur-nished with the instrument but may be replenished withoutdifficulty. Directions for its use are furnished with the testerthat may be readily followed after a trial. The results ob-tained are read directly from the side of the tube.… … Fig. 166.—Thermostat regulator and motor-valve attached to a radiator. systems, because of its positive action and completeness of heatcontrol. This method of heat regulation utilizes the energy ofcompressed air, with which to open and close the valves of theradiators. It may be adapted to any mode…
Heating · Lighting · Plumbing
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