Rapier, Richard Cristopher:

"On the Fixed Signals of Railways"

London 1874

Excerpt from the Proceedings of The Institution of Civil Engineers, 1873 - 1874

pp 1 - 22 Early Signals, Semaphore Signals, Shunting Signals, Distans Signals, Indicators for Switches, Self-acting Signals, Audible Signals
pp 23 - 45 Interlocking, Level Crossings, Switch Locks, Getting Slow Traffic out of the way
pp 46 - 52 Separate Goods Yards, Conclusion, Costs
pp 53 - 110 Abstract on the Discussion upon Rapier's Paper
Plate 27 Fixed Signals I
Plate 28 Fixed Signals II
Plate 29 Interlocking I
Plate 30 Interlocking II
Plate 31 Track Layouts
Plate 32 Working Timetable of the Great Northern Railway






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