Automatic warning system for men engaged on permanent way work was developed by Netherlands Railways; apparatus is designed to give single lookout man reliable and adequate warning; other features of apparatus are that it is easily portable, simple in operation and is free from mutual interference, either with cabled circuits for signals and telecommunications, or overhead traction supply; all switching elements are transistorized. (04740)
Radio link to warn of approaching trains
Ry Gaz
Railway Gazette ; 124 , n 19
1968
Aufsatz (Zeitschrift)
Englisch
© Metadata Copyright Elsevier B. V. All rights reserved.
Method to Warn Workers of Approaching Trains
NTIS | 1997
|Signal rules for trains approaching crossings
Engineering Index Backfile | 1896
A good method of protection for approaching trains
Engineering Index Backfile | 1892