RA 8643 G.W.R. TYERS & Co BRASS CASE STOP ARM REPEATER ship-zone-a and is the brass burner

and is the brass burner

This  served to remind the signalman of for example a train standing at his home signal

This is a B pattern configuration

style brass lock release plunger manufactured by W

This early Great Western Railway "split" case block bell is a rare survivor indeed

RA 8643 G.W.R. TYERS & Co BRASS CASE STOP ARM REPEATER ship-zone-a and is the brass burnerThese Great Western Railway brass case repeaters were manufactured by Tyre's & Co , London and were made exclusively for the G. W. R. These repeaters are quite scarce and seldom turn up for sale. This example is from Penryn Signal Box which was situated between Perranwell and Falmouth and was recovered by the signalman upon closure of the box. This instrument is in tested working order and the arm swings freely and is in first class condition