RA 7646 ALLOY SINGLE LINE KEY "ST BLAZEY-PAR BRIDGE CROSSING" parts this plate was recovered from

this plate was recovered from 47-313 upon scrapping by E

When I  was a Signalman on British Railways I was Pilotman on several occasions when Single Line Working was introduced over double lines

A Sykes brass instrument plunger complete with brass ring engraved " PUSH TO RELEASE DOWN PLUNGER" ex railway service condition

This company along with R

RA 7646 ALLOY SINGLE LINE KEY "ST BLAZEY-PAR BRIDGE CROSSING" parts this plate was recovered fromAn Alloy single line key ST BLAZEY PAR BRIDGE CROSSING , this key like many others had their ends sawn off by Exeter S & T to prevent unauthorized use. This key has been professionally re ended in our workshops to original drawing measurements . This is now much more pleasing to display.