NR BR 1664
Technical Specification for Clock Systems
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| Organization: | NR |
| Publication Date: | 1 November 1990 |
| Status: | active |
| Page Count: | 17 |
scope:
This specification details the BR requirements for clock systems for operational purposes. These clocks will be used to display time to the general public and to staff involved in the running of trains.
The clocks are required to be highly reliable in operation and display accurately the national standard time.
No preventsttie maintenance shall be required except for external cleaning.
Document History
NR BR 1664
November 1, 1990
Technical Specification for Clock Systems
This specification details the BR requirements for clock systems for operational purposes. These clocks will be used to display time to the general public and to staff involved in the running of...
References
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