Specialist Consultant Collectors, Science & Marine
Instruments of Science & Technology / A M-209 CONVERTOR CIPHER MACHINE, AMERICAN, MID-20TH CENTURY,
Sold for £1,657.50 inc. premium
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During the Second World War, the M-209 was referred to by German forces as the 'American Machine' Number 1, or AM-1. The machine does not require electricity to use and was a conveniently portable device. However, by 1943 it is thought that its coded messages could be broken within four hours.
Additional information regarding the M209 cipher machine can be found at:
Please note that the Lot description should read 'A M-209-B CONVERTOR CIPHER MACHINE, AMERICAN, MID-20TH CENTURY'.