RA 8911 G.W.R. 1947 PATTERN BLOCK INDICATOR parts This instrument is in ex

This instrument is in ex railway service condition

The sign measures 91cms x 51 cms

This leather is embossed with a date of 1944

largely in connection with a new mine complex at Cynheidre which didn’t reach full potential and the boxes closed in 1966 and 1968

this device would be placed over the signal lever handle when maintenance  work was taking place on the signal

RA 8911 G.W.R. 1947 PATTERN BLOCK INDICATOR parts This instrument is in exA standard Great Western Railway 1947 pattern block indicator manufactured by R. E. Thompson & Co, this example is the more difficult to find "double" contacts on the commutator bar. This overall condition is excellent and all fully working order.