International Library of Technology · Scranton, International Textbook Co. · leaf 463
he heaters. Jaws 3do not touch each other, buteach connects to a binding postto which the heater circuitsconnect. Fig. 38 is a view ofthe class E Johns heater, com-plete, ready to be put in aclosed car. 36. Car VYlring for JolinsHeaters. — Fig. 39 is the car-wiring diagram for a set ofclass E… … §25 ELECTRIC RAILWAYS. 31 THE COKSOLirJATED HEATER. 37. Construction.—Fig. 40 shows the coil used in theconsolidated heater, and which is constructed as follows:On a stout iron rod are strung porcelain tubes that run thefull length of the heater. These pieces have a spiral groovein them and are put…
Electrical engineering
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