Re: [math-fun] "Steampunk" mathematics?

And how could I neglect both the Enigma machines and Turing's "bombe" devices, which were mechanical computers used to codebreak enigma messages.

Does steampunk allow electricity? If not, you might have to limit your cryptography to Hagelin machines, although there is a picture of a pneumatic rotor machine in The Codebreakers. Whit