Not here to answer this since another redditor already has a good post on it, but just FYI, if you ever find yourself in England, there’s a full scale reconstructed Enigma-decoder, the Bombe machine, in Bletchley Park that you can still “operate” and it’s well worth the visit. The original Bombes were dismantled after the war for obvious reasons, but they found the blueprints and about 4 decades later reconstructed it. When we visited, there was hardly anyone else in the Bombe room so we pretty much had the machine to ourselves and just “operating” it brought chills. Absolutely thrilling experience.
Oh and Bletchley in general is fascinating and well put together. Would recommend going first thing in the morning and budgeting a whole day for it, if you’re a history buff.
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