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 358
d to the edge of the table under the cloth. The plate Fforms the floor connection. It is set permanently with the up-per edge flush with the surface of the floor. The part aS, in whichthe connecting cord terminates, when inserted in the floor plate,makes contact at the points C to form an electric… … FIG. 246 FIG.249Fig. 246.—A kitchen annunciator. Fig. 247.—Plug attachment and table push for a dining table.Fig. 248.—Foot plate and contact for table bell.Fig. 249.—Call bell attachment with detachable contact piece. indicated or with the same floor connection as that of the pre-ceding figure.…
Heating · Lighting · Plumbing
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