There are (were!) some pretty nifty mechanical computers out there. If you can spare the time, this 2014 Ars Technica story on USN fire guidance computers is e

There are (were!) some pretty nifty mechanical computers out there. If you can spare the time, this 2014 Ars Technica story on USN fire guidance computers is engineering porn of the first degree: https://arstechnica.com/information-technology/2014/03/gears-of-war-when-mechanical-analog-computers-ruled-the-waves/ https://arstechnica.com/information-technology/2014/03/gears...