Signal Corps Converter M-209-B

By larz ( October 21, 2017 at 1:09 am) · Filed under History forum

Hello everyone, I found this cypher machine at a pawn shop today. I have been doing research online and haven’t been able to find any information on how to figure out the maker of this one. From my understanding these aren’t an everyday find. Hopefully someone on her can help me out a little. Thanks in advance.


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