Langdon, William Edward:

"The Application of Electricity to Railway Working"

London 1877

pp I - XV, 1 - 3 Introduction.   Contents
pp 4  - 30 Speaking Telegraphs   Single needle, double needle, commutator, signalling regulations, prefixes, general regulations, time signal
pp 31 - 41 Single Line Working    
pp 42 - 57 Block Signalling, Historical Sketch   
pp 58 - 65 Block Signalling, Instruments at Present in Use
pp 66 - 78 Preece's Three-Wire System
pp 79 - 84 Walker's Semaphore System
pp 85 - 100 Tyer's Block Signals
pp 101 - 107 Spagnoletti's Block Signal Instrument
pp 108 - 117 Preece's Single Wire System
pp 118 - 127 Siemen's System
pp 128 - 153 Block Signalling   Terms, length and regulation of sections,  working instructions, bell code, instruments.
pp 154 - 172 Automatic Block Signalling   Imray's, Rosseau's, Whyte's, Bruniu's.  Considerations..
pp 173 - 186 Junction Working   Siding Working
pp 187 - 208 Signal Repeaters
pp 209 - 225 Interlocking Signal Levers.  Bells.
pp 226 - 245 Point Indicators.  Level Crossings. Yard Working.  Platform Bells.  Movable Bridges,  Train Describers
pp 246 - 253 Lightning Protectors,  Switches
pp 254 - 271 Intercommunication in Trains
pp 272 - 307 Appendix   Sample forms.


1897 edition



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