Twinpeppers
всякие полезные штуки
Sunday, June 3, 2012
Бумажная Энигма
http://wiki.franklinheath.co.uk/index.php/Enigma/Paper_Enigma
https://en.wikipedia.org/wiki/CARDboard_Illustrative_Aid_to_Computation
CARDiaс сcmputer
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