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 323
cket by thescrew at G and the circuit formed as already described. Lamp Labels.—For many years all incandescent lamps wererated in candlepower and were made in sizes 8, 16, 32, etc., candle-power. On the label was printed the voltage at which the lampwas intended to operate, and also the… … Fig, 218.—Section of alamp base and socket. ELECTRICITY % 313 With the development of the more efficient filaments came atendency to label lamps in the amount of energy consumed. Thishas resulted in all lamps being labeled to show the voltage of thecircuit suited to the lamp, and the watts of…
Heating · Lighting · Plumbing
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