General rules for signalling : from the Company's rule book of 1908 /
Lancashire and Yorkshire Railway Company.
Pulborough : Dragonwheel,
2006.
Reprinted from ed. entitled: Rules and regulations for the guidance of the officers and men in the service of the Lancashire and Yorkshire Railway Company, Manchester : Henry Blacklock, 1908.
Lancashire and Yorkshire Railway Company
Signals and signaling.
Railroads
Railroads