Record View

  • The telegraph and the absolute block ; [and] Single line operation / David Stirling.

Book
Record ID:
Variant title:
  • The telegraph and the absolute block
  • Single line operation
Author:
Publication date:
  • 2002
Publisher:
  • Friends of the National Railway Museum.
Place of publication:
  • York
ISBN:
  • 187282613X
Dimensions:
  • 28 cm.
Extent:
  • 132, 167 p.
Illustrations:
  • ill.
Series:
Contents note:
  • First title: Ch. 1. Introduction -- ch.2. The speaking telegraph (early telegraphs; earth return; formation of telegraph companies; single-needle telegraph; telegraphic codes; nationalisation of the telegraphs) -- ch.3. Telephones (railway telephones; control system; line wires; telephone exchanges) -- ch.4 Early block telegraph working -- ch.5. The spread of block working (lock and block; permissive block, codes and reguations) -- ch.6. Design of early block instruments (one-wire instruments; grouping of indications; Sykes lock and block instruments) -- ch.7. The practice matures (harmonisation of regulations and bell codes; remaining non-block-worked lines; permissive block; light railways) -- ch.8. Improvements (placing of block instruments; level crossings; adding a third indication to the block instruments; more lock and block; block controls; PW trolley working; switching out; intermediate block signals; route indications; economies)
    Second title: Ch.2. Early single line control -- ch. 3. The main systems of operating single lines ('One engine in steam'/one train working; control by block only; the train staff system; non-token block; track circuit and direction lever; control by radio) -- ch.4. Working by block without token (safeguards for altered crossings; competing methods of working a single line; the Board of Trade's attitude; the safety of the system) -- ch.5. The train staff system (The train staff (and ticket) system. block controls with staff and ticket working; long and short section working) -- ch.6. Electric token block -- ch.7. Ancillary equipment for electric token systems (improving the speed of trains; sliding control and intermediate instruments; long and short section working; block controls on electric token-worked lines; banking tokens, shunting tokens, and other special facillities; protection of permanent way work; no-signalman working and other economies; auxiliary instruments and magazine balancers; emergency arrangements; telegraph wire and their replacements) -- ch.8. 'Tokenless' block systems ( Sykes single-line lock and block; GWR examples; bidirectional lines at stations; track circuit and direction lever; power signalling methods) -- ch.9. Radio electronic token block -- ch.10. Operating practice and rules.
Class number:
Subject - topic:
Shelf reference:
  • F552 Sti
Locations:
  • Library Mezzanine