Image: Purple code machine 2

Description: Fragment of a Purple machine on display at the United States National Security Agency's National Cryptologic Museum located in Ft. Meade, Maryland. The plaque at the base of the machine fragment reads: " 'Purple' This is the largest of three surviving pieces of the famous Japanese diplomatic cipher machine. It was recovered from the wreckage of the Japanese embassy in Berlin, 1945."
Title: Purple code machine 2
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: https://creativecommons.org/licenses/by-sa/2.5
Attribution Required?: Yes