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  1. A Brief History of AutoCAD (autocad cad ibmpc origin historical retrospective) (scan2cad.com | ia)
    1 point by bmonkey325 2 days ago | discuss
  2. Gold Standard Plotter - HP 7475A (hp plotter cad cam) (youtu.be)
    2 points by bmonkey325 352 days ago | 1 comment
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Two Stop Bits is a discussion web site about retro computing and gaming.