RA 8351 BR(W) SIGNAL BOX LEVER FRAME "BLACK LEADING" BRUSH repairs In practice it would only

In practice it would only be worn when public facing

the can went under the wheel of the loco putting a wheel flange width depression across the top

the signalman would go to the pumphouse and start the large "Blackstone" oil engine which drove the pump

Rly stamped in case twice

In first class condition

RA 8351 BR(W) SIGNAL BOX LEVER FRAME "BLACK LEADING" BRUSH repairs In practice it would onlyThese brushes were issued to all signal boxes and used by signalman to "black" to frame using black lead grate polish, this graphite based compound was applied to the lever frame tread plates and signal box stove. This was a messy job which Ive actually done on several occasions!