Regulations for train signalling on double lines by the absolute block system (Section II of rule book) and single lines by the electric token block system (section III of rule book).
Also general instructions to signalmen. 1st Jan., 1952 until further notice. For the information of staff only.
|Main Creator:||Great Northern Railway (Ireland)|
|Published / Created:||
[n.p.] Great Northern Railways, 1952.
Physical description: 95 p. 23 cm.
|Call Number||View in||Collection|
|Ir 385 p 20||Main Reading Room||Irish|