UM.69: Difference between revisions
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Link back to [[Control Functions]]. | Link back to [[Control Functions]]. | ||
UM.69 was the protecting signal for Knighton Level Crossing on the Up Main. It was fitted with an emergency replacement switch. | UM.69 was the protecting signal for Knighton Level Crossing on the Up Main. It was semi-automatic and fitted with an emergency replacement switch. | ||
It became [[SN.87]] on 2 August 1970. | It became [[SN.87]] on 2 August 1970. | ||
Revision as of 16:35, 5 August 2014
Link back to Control Functions.
UM.69 was the protecting signal for Knighton Level Crossing on the Up Main. It was semi-automatic and fitted with an emergency replacement switch.
It became SN.87 on 2 August 1970.
And latterly was converted back to an automatic.