Completely untested , I have heard it's impossible to work without converting it
Vintage British Rail Bardic signal lamp with ID tag A Wood Healey Mills
NRS Vintage British Rail Bardic Railway Torch Signal Lamp Red And Green
NRS Vintage British Rail Bardic Railway 3 Colour Lamp White, Red And Green
BR Vintage British Rail Bardic Railway 4 Colour Lamp White/Red/Yellow/Green
VINTAGE BRITISH RAIL BARDIC 3 COLOUR HAND HELD RAILWAY SIGNAL LAMP
Vintage British Rail Signal Torch Lamp. (Bardic Ltd Southampton)
