Signalling
Great Western Railway
Synopsis of Course of Instruction on the subject of Safe Working of Railways and the Appliances used in Connection Therewith
GWR signalling rules and regulations with photographs and diagrams.
GROSE, B. H.
Remote Control of Railway Signal Interlocking Equipment
The Institution of Railway Signal Engineers Booklet No. 26
HADAWAY, H. W.
Principles of Power Point Control and Detection (British Practice)
The Institution of Railway Signal Engineers Booklet No. 5
HAWKES, J.
Circuits for Colour Light Signalling
The Institution of Railway Signal Engineers Booklet No. 15
HAWKES, J. E.
Route Control Systems (W. B. & S. Co.) [Westinghouse]
The Institution of Railway Signal Engineers Booklet No. 20
