Leif Steinert resurrects the good ol' days with 45 seconds of video from 1987. The video shows AutoCAD
Release 9 running on an 6MHz NEC 286 AT clone and MS-DOS. He enters the plot command, and we briefly see his HP DraftPro plotter at work — which he calls "the money machine."
http://www.youtube.com/user/AutoCad9in1987