Glad to hear there is so much interest in Geniac. I've posted a
picture of my books at:
Yea, the Geniac wasn't the most reliable machine in terms
of switch contacts. :-) It was a real challange to tighten
down the masonite wheels to just the right pressure to make all the
I can't confirm that the Brainiac had just three wheels.
The book seems to indicate some Brainiac experiments
used six wheels.
Fun and games!
> Yeah, I had a Geniac. It was pretty cool, but a bit finicky. I
> learned how to tighten the nuts on the screws without wrapping up
> wires as you turn. The real problem I had was the brass "tabs" on
> the selector wheels didn't consistently make contact with the screw
> heads on the base. So the circuit connections weren't reliable.
> I guess this was the late 60's and I was 10 or 11.
> But all in all it was cool. I wish I still had mine. I've found
> some manual scans on the net with circuit designs. Correct me if
> wrong-- the Geniac had 6 disks and the Brainiac had 3, right?
> --- In email@example.com, "rkushnier" <rkushnier@>