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the Inspector recommended that the block instruments should be linked to the track circuits to prevent future occurrences in such a way that a "Line clear" indication could only be given on the block instrument if the track circuits had registered passage of a train
In the top of the signal lamp case was a Pyrometer which had a bi-metallic switch
this small neat publication is in excellent condition
many companies used this material as it was plentiful
RA 8937 G.W.R. TYERS WOOD CASE DISTANT SIGNAL ARM REPEATER trader-pitch the Inspector recommended that theA fine example of a Great Western Railway Tyre's manufactured Distant signal arm repeater, this instrument is in lovely ex signal box condition complete with its Ivorine plate and a great all over patina. Arm swings freely and instrument in tested working order.
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