It is hard to believe these records are still laying around in non-digital form, but they are. Hopefully, not for much longer.
I find the Engima machine very interesting as I spend some time on Codes and Ciphers in my Computer Science classes.
Cap’n Dave Reed has some very nice materials on the Enigma machine on his site.
Student get much more motivated when they can see the relevance of what they are studying.
Pulling in real world topics and issues helps students see the relevance of Computer Science.