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Old July 18th 12, 02:41 PM posted to uk.transport.london
Roland Perry Roland Perry is offline
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First recorded activity at LondonBanter: Aug 2003
Posts: 10,125
Default TV Alert: Building The London Underground

In message , at 06:29:41
on Wed, 18 Jul 2012, remarked:

The C&SLR was the first deep level tube line. The programme made that clear.


It was also built in too small a tube, with too steep a slope at the
northern end. They learnt from that.
--
Roland Perry