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42 pages • missing pub info (editions)
ISBN/UID: 9781937684709
Format: Paperback
Language: English
Publisher: Periscope Film LLC
Publication date: 13 July 2012
Description
Designed by Swedish cryptographer Boris Hagelin, the M-209 Converter was a portable, mechanical cipher machine. Used extensively during WWII and the Korean conflict by both the Army Signal Corps and the U.S. Navy (which designated it the CSP-1500)...
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Content Warnings
42 pages • missing pub info (editions)
ISBN/UID: 9781937684709
Format: Paperback
Language: English
Publisher: Periscope Film LLC
Publication date: 13 July 2012
Description
Designed by Swedish cryptographer Boris Hagelin, the M-209 Converter was a portable, mechanical cipher machine. Used extensively during WWII and the Korean conflict by both the Army Signal Corps and the U.S. Navy (which designated it the CSP-1500)...
Community Reviews
Content Warnings