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 331
Candelabra screw Minature screw Double-contact bayo- Single-contact bayo-base base net candelabra base net candelabra base Fig. 221.—Miniature lamp bases. rative purposes; general battery lamps used for flash lights; andlamps for automobiles and electric-vehicle service. The term miniature lamp…
Heating · Lighting · Plumbing
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