8 Mar
2013
8 Mar
'13
8:09 p.m.
On 03/08/2013 03:53 PM, Fred Cisin wrote:
Or, the scale could be mechanically linked to a
potentiometer,
followed by either A/D or analog computation.
Nothing stupid about analog computers. Whatever happened to "hybrid
computing"? I remember seeing a big demo at Argonne, but it sort of
slipped away from notice.
I've mentioned Curta calculators eariler (a (wealthy) classmate had one
and it was a real hoot to play with), but I also recall a project
published in Radio-Electronics(?) that used neon lamps and a couple of
vacuum tubes (12AU7 type?) with a rotary telephone dial for input.
Anyone ever build that one?
--Chuck