Mechanics of the household; a course of study devoted to domestic machinery and household mechanical appliances . (e) W^ (f) Fig. 270.— Local wall switches. receptacle with plug and spare pilot lamp. Figs. 268,a, b, c andd, represent various forms from which selection may be are adapted for the same purpose and differ only in mechan-ical arrangement. ELECTRICITY 381 Service Switch.—The service entrance switch may be selectedfrom the three styles shown in Figs. 269,a, 6, and (a) (b) Fig. 271.—Pilot lights.

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Keywords: ., bookcentury1900, bookdecade1910, bookpublishernewyorkmcgrawhillb