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 351
ch will permit either a slow or quick 340 MECHANICS OF THE HOUSEHOLD heat, but when the predetermined temperature is reached thecurrent will be automatically cut off by the circuit-breakers.Such flexibility of heat control in the ovens permits the operatorto apply heat at both top and bottom for… … Fig. 236.—Electric range. Showing how all parts can be removed for cleaningand replacement. the automatic ranges are further controlled and mastered by thecircuit-breakers. Intercommunicating Telephones.—This form of telephone isused over short distances such as from room to room in buildingsor for…
Heating · Lighting · Plumbing
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