Complete and in good condition. Lots of pull out diagrams and period advertisements. Thanks for looking! Wiganbargee-selling beautiful junk since 2004.
1961 Institution Railway Signal Engineers Proceedings Year Thick Book
1972 Institution Railway Signal Engineers Proceedings Year Thick Book
1962 Institution Railway Signal Engineers Proceedings Year Thick Book
1964 Institution Railway Signal Engineers Proceedings Year Thick Book
The Institution of Railway Signal Engineers, Circuits for Colour Lighting Signal
Institution of Railway Signal Engs. Signal Control Circuits, 1968
