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 389
the insertion of the plug and upon itswithdrawal close automatically, effectually excluding dirt andconcealing the live terminals. It is the latest and best plug re-ceptacle obtainable. Fig. 267,6 is of the Chapman type with beveled-edge brasscover plate finished to match surrounding hardware. In… … ELECTRICITY 379
Heating · Lighting · Plumbing
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