Text Appearing Before Image: that a standard oil tank can be rolled under theoil outlet when it is desired to drain the case. The stick-type circuit breakers with enclosed fuses wereadopted for the substation primary circuits because no sub-station attendance was expected; such breakers when sel-dom operated are less likely to get out of order than oilswitches. The heavy time lag is also desirable so that thegenerating station breakers may have every chance to openfirst on an overload. The substation buildings are simple fireproof structures.Accompanying engravings illustrate their general dimen-sions and design. During the past summer while the trans-formers were being dried out the trolley line 75 miles long 678 ELECTRIC RAILWAY JOURNAL. (Vol. XXXIII. No. 15. was fed at its midpoint and the cars were satisfactorilyoperated over its entire length without using the trans-former stations. TELEPHONE LINE There is one telephone circuit throughout the length ofthe line and a duplicate from Gary to Pullman, 17 miles. Text Appearing After Image: Chicago, Lake Shore & South Bend—Interior of Passenger Car Each circuit consists of a pair of No. 11 copper-clad steelwires supplied by the Duplex Metals Company. The tele-phone circuit is half spiraled every second pole with verticaldouble insulator brackets. Owing to the fact that the tele- each telephone. These transformers perform two valuablefunctions: They eliminate substantially all of the noisedue to induction and leakage and also protect the telephoneinstruments from high-tension current. It is said that it ispossible to cross one of the telephone wires with the 6600-volt trolley wire and still maintain ordinary conversation. In South Bend, owing to the obstruction of trees alongthe line, arrangements have been made with one of thelocal telephone companies to support the two railway wiresthrough the city to the ticket office on the telephone com-panys poles. A transformer similar to those mentionedabove was installed at the city limits, thus protecting allthe local wire
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Volume
InfoField
1909
Flickr tags
InfoField
bookid:electricrailway331909newy
bookyear:1908
bookdecade:1900
bookcentury:1900
booksubject:Electric_railroads
bookpublisher:_New_York__McGraw_Hill_Pub__Co
bookcontributor:Smithsonian_Libraries
booksponsor:Smithsonian_Libraries
bookleafnumber:696
bookcollection:smithsonian
Flickr posted date
InfoField
27 July 2014
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