NR BR 998
Specification for Electric Point Detectors
active, Most Current
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| Organization: | NR |
| Publication Date: | 1 August 1974 |
| Status: | active |
| Page Count: | 7 |
scope:
This specification relates to electric pointy detectors using sealed limit switches and linear cam slides for application to railway track point and crossing layouts for switch rail and point lock proving purposes.
Document History
NR BR 998
August 1, 1974
Specification for Electric Point Detectors
This specification relates to electric pointy detectors using sealed limit switches and linear cam slides for application to railway track point and crossing layouts for switch rail and point lock...