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Matt Crypto (talk | contribs) |
major assitance from Poles at PC Bruno |
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Maybe I'm wrong? <small>—''The preceding [[Wikipedia:Sign your posts on talk pages|unsigned]] comment was added by'' [[User:81.174.208.64|81.174.208.64]] ([[User talk:81.174.208.64|talk]] • [[Special:Contributions/81.174.208.64|contribs]]) 21:47, 5 February 2006 (UTC{{{3|}}})</small><!--Inserted with Template:Unsigned2-->
: No, you're right, and the article does give the wrong impression. Shark wasn't being read from February 1942 to mid December 1942 as a result of the introduction of M4. I'll try and read up on this, but I believe it's the case that, while codebooks captured from U-559 were very helpful, it was another factor which finally helped BP get back into Shark, which was that the Germans were using three-rotor settings for short signals (the fourth rotor being set in the "emulate M3" mode). [[User:Matt Crypto|— Matt <small>Crypto</small>]] 21:00, 5 February 2006 (UTC)
===staff at PC Bruno===
It's my memory that Bertrand put together PC Bruno including the Polish folk who had gottne out of Poland before the Nazis caught them, and that they and the French cooperated on such things as Enigma intercepts. None of the Poles went to Bletchley (British caution apparently) and PC Bruno and BP ooperated on the at least the Enigma work. There is the oft-repeated tale of using Enigma to encrypt work schedules and such between the two sites. Since Rejewski is said to have been surprised about British Enigma work at BP, I deduce that he was not one of the people talking directly with BP from PC Bruno, implying both that there were other personnel working on Enigma (French most likely), and that when Turing came over to talk about things, he must have been careful not to be quite forthcoming with the Poles he met about quite where he was from and what he (BP) were proposing to do. That's why I changed it to 'major assistance' since others would appear to have been involved. Is there any reason to believe the French et al didn't also work on Enigma at PC Bruno etc? [[User:Ww|ww]] 08:12, 16 February 2006 (UTC)
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