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Old June 14th 09, 06:17 PM posted to uk.railway,uk.transport.london
Graham Harrison[_2_] Graham Harrison[_2_] is offline
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First recorded activity at LondonBanter: May 2008
Posts: 278
Default On a London Overground station.


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On 14 June, 17:53, tony wrote:
In olden times, there were mechanical versions of this system, where
staff had to punch a small card or similar action



A practice not unknown to public transport in bygone days;

http://www.kfriends.org.uk/projects/bundy.htm

--
gordon


I remember similar devices in London.