NR BR 925
Specification for Electro-Magnetic Indicator-for Railway Signalling
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| Organization: | NR |
| Publication Date: | 1 September 1962 |
| Status: | active |
| Page Count: | 5 |
scope:
This Specification is for electro-magnetic pointer type indicators used in Railway Signalling. The indicators have coil assemblies with different resistance windings and can be fitted with interchangeable dials according to the function to be indicated. Provision is made for indicators to be either two or three position in operation.
The overall diameter of the case is less than 4 inches to enable the indicator to be fitted behind levers in a mechanical frame.
Document History
NR BR 925
September 1, 1962
Specification for Electro-Magnetic Indicator-for Railway Signalling
This Specification is for electro-magnetic pointer type indicators used in Railway Signalling. The indicators have coil assemblies with different resistance windings and can be fitted with...
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