previews of Jeff's works-in-progress

This is an area for works-in-progress
and exhibits under construction

Stuff I scanned recently
6800 microprocessor instruction set summary card
RTL cookbook
other assorted miscellaneous odds-and-ends bric-a-brac stuff
drafting equipment, some computer related!
much ado about slide rules
The sales kit for the GE 225 computer
included a slide rule and abacus
to teach analog vs. digital computers
Das Blinkenlights (front panels, inner displays)

keypunch video 1
keypunch video 2