Hewlett-Packard 7470A Plotter

Resources WikiOperator’s ManualInterfacing and Programming ManualHP Museum Please check out HP 85B computer and HP 9121 floppy disk drive. https://www.youtube.com/watch?v=s-y-EMtx1-Q Internals Panel Base Transformer and Motors Control…… Read more “Hewlett-Packard 7470A Plotter”