International Library of Technology · Scranton, International Textbook Co. · leaf 461
Fig. 34. Fig. 35. class E heater mounted upon it. In Fig. 35, A and B arethe wires by means of which the heaters are connectedtogether; H is the heater; P, a cross-section of the seat panel; ana S, a spacebetween the back ofthe heater and theface of the seatpanel. 34. Tlie JolinsRegulating Switch.… … 25 ELECTRIC RAILWAYS. 29 the heaters are running, the main heater circuit must beopened. In Fig. 36, switch K opens and closes the heatercircuit and blade K makes the combinations correspondingto the several marked notches indicated by the dotted lineson the heater case in Fig. 37. By such an…
Electrical engineering
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