NR BR 1942
System Specification For British Railways Automatic Warning System
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| Organization: | NR |
| Publication Date: | 1 March 1989 |
| Status: | active |
| Page Count: | 25 |
scope:
This specification outlines the principles and describes the operation and equipment of the British Railways Automatic Warning System.
Only the basic system is covered in detail with a brief account of the major variations being given in the appendices e.g. use in dc electric traction areas; extended applications.
Document History
NR BR 1942
March 1, 1989
System Specification For British Railways Automatic Warning System
This specification outlines the principles and describes the operation and equipment of the British Railways Automatic Warning System.
Only the basic system is covered in detail with a brief account...
References
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