Very cool. Also, if you're into this sort of thing here's the first in a seven video series on a very different mechanical computer - Albert Michelson's Harmon

Very cool. Also, if you're into this sort of thing here's the first in a seven video series on a very different mechanical computer - Albert Michelson's Harmonic Analyzer which does Fourier Analysis: https://www.youtube.com/watch?v=NAsM30MAHLg https://www.youtube.com/watch?v=NAsM30MAHLg