grlloyd:
Hypertext Editing System (HES)
grlloyd:
IBM 2250 Programmable Function Keyboard
grlloyd:
Using HES with IBM 2250 display and light pen
grlloyd:
HES After Dinner WGBH TV 20 Oct 1969
grlloyd:
Andy van Dam on WGBH TV
grlloyd:
Andy van Dam and students on WGBH TV
grlloyd:
BDH Ad for WGBH TV show featuring Andy van Dam on HES
grlloyd:
HES on IBM 2250 Model 1
grlloyd:
HES screen and light pen