Signalling
MACLEAN, A.A.
A Pictorial Survey of LNER Constituent Signalling
A fine detailed survey with substantial narrative in addition to numerous photographs, diagrams and drawings.
MARSHALL, N.
Principles of Relay Interlocking and Control Panels
The Institution of Railway Signal Engineers Booklet No. 18
MITCHELL, D. L.
Railway Signalling Power Supplies (British Practice)
The Institution of Railway Signal Engineers Booklet No. 11
MOTT, J. E.
Train Describers (British Practice)
The Institution of Railway Signal Engineers Booklet No. 13
NICHOLSON, Mick
Constructing & Operating Semaphore Signals
Mainline Modelling No. 1
POPE, R.
Signalling the Layout - British Railways Practice
The Institution of Railway Signal Engineers Booklet No. 27