Telegraph block instrument, semaphore type, Walker's, 1855,

Made:
1855

Telegraph block instrument, semaphore type, Walker's, 1855, Stockton & Darlington Railway, No 216, type introduced by Mr C V Walker on the South Eastern Railway.

Details

Category:
Signalling & Telecommunications
Object Number:
1985-8864
type:
block instrument
credit:
British Rail, Clapham