RA 8937 G.W.R. TYERS WOOD CASE DISTANT SIGNAL ARM REPEATER trader-pitch supplied them to most of

supplied them to most of their signal boxes

In the top of the signal lamp case was a Pyrometer which had a bi-metallic switch

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

Camden shed was allocated 1B between 1950 and 1956

RA 8937 G.W.R. TYERS WOOD CASE DISTANT SIGNAL ARM REPEATER trader-pitch supplied them to most ofA 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.