SN.203: Difference between revisions
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Revision as of 14:34, 9 November 2014
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The signal existed in connection with Thingley Up Sidings Ground Frame.
Taking out of use
At some point the ground frame and siding connections were taken out of use. Unsure if SN.203 existed before this.
Bringing back into use
The ground frame and siding connections were brought back into use in September 1974, and SN.203 was "provided" (for the first time?).
