Northern Line IMR codes
In article .com,
TheOneKEA writes
Why were the original IMR codes retained when the Northern Line cabins
were closed and the IMRs linked to Cobourg Street? Wouldn't it have
been simpler to re-plate everything in the 'N' series?
Why go to the effort of re-plating, re-drawing all the circuit diagrams,
changing all the manuals, ...? What's wrong with the present numbering?
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Clive D.W. Feather | Home:
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