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Pass of Brander stone signals : ウィキペディア英語版 | Pass of Brander stone signals The Pass of Brander stone signals are a series of railway signals situated in the Pass of Brander, between and stations on the Oban branch of the West Highland Line in Scotland. They are part of a warning system that advises train drivers to exercise caution in the event of a rock-fall. ==Overview== The railway through the Pass of Brander was opened in July 1880. It was originally part of the Callander and Oban Railway. Since the line's opening, rocks falling from the steep slopes of Ben Cruachan onto the track had threatened to cause a derailment. The secretary of the C&OR, John Anderson, devised a system that would detect falling rocks and provide a warning to drivers. A screen of wires, linked to semaphore signals, would be erected on the mountainside alongside the railway. In the event of one or more wires being broken, signals in each direction would be automatically placed at 'danger'.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Pass of Brander stone signals」の詳細全文を読む
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