September 2012 by Robert Mary

thebombe_small.jpg thebombeisamachineusetodecyphermorequicklyenigmacode_small.jpg thewehrmachtcommunicationnetwork_small.jpg detailedgermancommunicationchannelsinoccupiedeurope_small.jpg heathrobinsonmachineusedtodetectthepositionofthewheelforeachenigmamessage_small.jpg
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