YYYY/MM/DD

1999/08/02 - Initial release of Web page.  (Inspired after a visit to the National Cryptologic Museum)
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2023/03/20 - Added more info to KY-1.
2023/04/14 - Added M-42 Matolaatikko
2023/04/23 - Added ALLU
2023/05/04 -- Added Ecolex 4.
2023/08/25-  Added M4245 document; posted revised KL-7 history
2023/08/30 - Added Enigma Railway
2023/08/31 - Added NEMA TD-585
2023/09/11 - Added BID4000
2023/12/19 - Added BID430/1 and BID 1300/1
2024/09/02 - Added Gold Telephone

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