Image: US M1 enigma analog 3

Original image(1,641 × 969 pixels, file size: 1.47 MB, MIME type: image/jpeg)

Description: Pictures taken by myself at the US National Cryptologic Museum.
Title: US M1 enigma analog 3
Credit: Own work
Author: Mark Pellegrini
Permission: Own work, share alike, attribution required (Creative Commons CC-BY-SA-2.5)
Usage Terms: Creative Commons Attribution-Share Alike 2.5
License: CC BY-SA 2.5
License Link: http://creativecommons.org/licenses/by-sa/2.5
Attribution Required?: Yes

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