Gpo
The General Post Office was a Government department under the Postmaster-General, a Cabinet minister, [employees were civil servants technically until 1969] that was responsible for the mails as well as telephones and telegraphs except for the City of Kingston-upon-Hull, having taken over all private exchanges. They had an experimental workshop/depot in south-east London that contributed to the building of Colossus, the world's first electronic computer that was used by Bletchley Park. They were obviously experienced with valves and circuits.
I think an example of an Enigma machine was first supplied by the Poles as the war started. It was the capture of a German naval Enigma with its extra rotor[s] that was so dramatic for the course of the war at sea.
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21-09-11, 09:41
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