RA 8399 SIGNALLING SCHOOL BELL SIGNAL CODES TRAINING AID BY W.R.SYKES event The case diameter is 4

The case diameter is 4 1/4"

An enamel British Railways LOOK OUT armband complete with its leather strap

This system was used in a small number of place of British Railways Western Region

this plate is in first class ex box condition and measures 4 3/4" X  1 1/2"

RA 8399 SIGNALLING SCHOOL BELL SIGNAL CODES TRAINING AID BY W.R.SYKES event The case diameter is 4Signalling School training aid are very rare and seldom ever become available to buy by collectors, well here's your chance! This possibly unique signal bell code training instrument is an amazing find. This apparatus is equipped with three block bell tappers, the outer one have a bell striker attached to the tapper ends and when depressed strike the corresponding bell. The middle tapper is used to demonstrate the "mode of signalling" by representing