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London (U.K.) Metropolitan Police - communications technology from 1867 - 1980s
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David Chapman
Aug 6, 2012, 9:37:34 AM8/6/12
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If you would like to learn more about the early days of technical
developments in communications within the London Metropolitan Police,
take a look at:-
http://www.minda.co.uk/files/MPCShort.pdf
I hope you'll find it interesting.
73 - Dave.
--
David C.Chapman - (dcch...@minda.co.uk)
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