I always found mechanical calculators fascinating, here’s an article with a video explanation about the MK1 navy fire control computer. https://hackaday.com/20

I always found mechanical calculators fascinating, here’s an article with a video explanation about the MK1 navy fire control computer. https://hackaday.com/2014/10/28/retrotechtacular-fire-control-computers-in-navy-ships/ https://hackaday.com/2014/10/28/retrotechtacular-fire-contro...