RA 8180 BR-WR SEALED RELEASE UNIT. ship-zone-k This apparatus is equipped with

This apparatus is equipped with three block bell tappers

this locomotive was built at Swindon works and entered service March 1926

A BR-WR office copy signal box diagram of FILTON WEST JUNCTION which is in the Bristol area and controls the lines to Avonmouth from Filton Junction and Stoke Gifford West boxes

and T H & S  is cast into the back in raised letters

This example still has its brass number plate  No 225

RA 8180 BR-WR SEALED RELEASE UNIT. ship-zone-k This apparatus is equipped withThis BR WR Alloy sealed release unit used by the signalman to override a track circuit during a failure which was preventing the points from being moved, he would break the glass which allowed the button to be depressed to allow the lock to operate. This unit is complete with glass, new ticket and retaining spring clip.