Signalling
KING, Everett Edgar
Railway Signalling
Study of signalling mechanism and practices at the start of the twentieth century based on US railroads. Illustrated with diagrams and photographs throughout.
LASCELLES, T.S. (ed.)
Railway Signalling and Communications Installation and Maintenance
London Midland & Scottish Railway
Instructions Respecting the Cleaning, Trimming and Lighting of Oil Signal Lamps
ERO 52086
Small working booklet, half the pages describing maintenance procedures and half with eleven full page photographs of lamps in use at the time.
London Midland & Scottish Railway (Midland Division, London Area)
Book of Instructions in connection with the Working of Trains over the Electrified Lines with instructions respecting Two-Aspect Semi-Automatic Colour Light Signalling, 1937
ERO 51987
LOOSEMORE, J.P.
Typical Selection Circuits (British Practice)
The Institution of Railway Signal Engineers Booklet No. 8