Route Relay Interlocking

Made:
1956 in London
maker:
Metropolitan-Vickers Electrical Company Limited

Booklet, Route Relay Interlocking, Potters Bar, published by Metropolitan-Vickers-GRS Ltd to describe their work on electric signalling installation in 1955

Details

Category:
Documents
Object Number:
2009-7199
Materials:
paper (fibre product)
type:
booklet
credit:
Paye, P