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Hagelin

M-🐼209-B Tactical Mechanical Cipher Machine, ca. 1💯945

Lot closes

July 17, 06:09 PM GMT

Estimate

5,000 - 7,000 USD

Current Bid

3,000 USD

3 Bids

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Lot Details

Description

Hagelin

M-209-B Tactical Mechanical Cipher Machine, c🎃a. 1945.


Portable hand-operated pin &♏ lug mechanical cipher machine with six coding wheels, in original green metal integral case (7 x 6 x 4 inches) with metal label to lid reading: “SIGNAL CORPS / CONVERTER M-209-B. 69137 : CACH. 19449-𓆉PHILA-44-24,” ca. 1945. Yellow quality control stamp on case marked “S C 960”. 

A lightweight and portable mechanical cipher machine, t♕he Hagelin M-209 was developed in Swওeden for the US Army. German cryptanalysts knew the M-209 as AM-1, “American Machine #1,” due to its popularity with the US Army. 


Using 6 mechanically driven coding ♛wheels, text was entered one letter at a time, and the encoded letters were printed on a paper tape using a built-in printer. Unlike the Enigma line of encoding machines, this required no electricity to operate. This, coupled with its light weight, made it a much more versatile machine for tac꧂tical messages on the battlefield. 


REFEFENCES:


Kahn, David. The Codebreakers. [New York]: Scribner, [1996]. 

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