. American engineer and railroad journal . d to the normal condition. Each block section is provided with a distant and homesignal and an advanse signal at stations. Each switch isprovided with a vibrating bell. The signals are normallyin caution and stop positions. A train approaching thedistant signal will, upon entering the preliminary section(assuming the block in advance to be unoccupied), clear theadvance, honaa and distant signals. Should any switches belocated in the block the vibrating bell will sound simultaneouslywith the entrance of the train on the preliminary section. If,however,
. American engineer and railroad journal . d to the normal condition. Each block section is provided with a distant and homesignal and an advanse signal at stations. Each switch isprovided with a vibrating bell. The signals are normallyin caution and stop positions. A train approaching thedistant signal will, upon entering the preliminary section(assuming the block in advance to be unoccupied), clear theadvance, honaa and distant signals. Should any switches belocated in the block the vibrating bell will sound simultaneouslywith the entrance of the train on the preliminary section. If,however, the block controlled by the advance signal is occupiedthe signals are not cleared by the train on the preliminary sec-tion, but the home signal clears and the bell sounds immediatelyupon train passing the distant signal. The application of vibrating bells at switches was first madeon the Chicago terminal of the Illinois Central Railroad, andwhile it is true that theoretical objections have been made to 402 AMERICAN ENGINEER, CAR1 BUILDER. Front View of Motor, AND RAILROAD JOURNAL 408
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
