Smiths 0 - 100 mph Speedometer as fitted to Bulleid Pacifics. Alloy case retaining the 2 pin plug on rear. Original makers plate shows manufacture date as 3/60. Untested but the needle is free to move so may well still be functional. Reputedly originated from Cashmores and the large format b/w print accompanying is of 34006 BUDE although we are unable to confirm that this was the actual loco of origin.