Debra Dalgleish, one of the Excel MVPs mentioned an old episode of the Computer Chronicles on Facebook and provided a link.
It did not take me long to find an appropriate link for the Visio crowd. The show is about Windows 95 and OS2, but at 16:50 to 20:00 is an intro to Visio 3.1
http://www.archive.org/details/Windows4
Nice shirt Ted!