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@SpiesVespers: RT by @mikenov: #OTD 24 January 1918: Arthur Scherbius received a patent for a cipher machine, now known as the ENIGMA. https://t.co/ba0P…


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#OTD 24 January 1918: Arthur Scherbius received a patent for a cipher machine, now known as the ENIGMA. pic.twitter.com/ba0PkzCTeT

— SPIES&VESPERS (@SpiesVespers) January 24, 2024