Enigma : 75th Anniversary of GC&CS trip to Poland

July 2014

75th Anniversary of GC&CS trip to Poland 
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The history of Polish contribution to World War II is generally known. 
However, relatively little is known about the Polish role in the "battle 
for secrets", i.e. in the reconstruction of the "Enigma", a German cipher 
machine, and in the development of apparatus that allowed the decryption 
of the code that was changed by the Germans on a daily basis...../snip/

http://www.colindaylinks.com/bletchley/bletchley3.html

http://news.bbc.co.uk/1/hi/world/europe/8158782.stm

http://www.bbc.co.uk/news/uk-england-beds-bucks-herts-14141406

http://www.bletchleypark.org.uk/content/hist/worldwartwo/enigma.rhtm

http://www.enumi.eu/en/articles/369/75th_Anniversary_of_Breaking_Enigma_Codes/