TY  - BOOK
AU  - [Tattersall,Arthur Ewart],[from old catalog]
AU  - Lascelles,T.S.[from old catalog]
ED  - London and North Eastern Railway.
TI  - Railway signalling and communications, installation and maintenance ..
U1  - 625.165 
PY  - 1940///]
CY  - London
PB  - The St. Margaret's technical press limited
KW  - Railroads
KW  - Signaling
KW  - Telegraph
KW  - Telephone
KW  - MCE
ER  -