14 Mar
2018
14 Mar
'18
8:56 a.m.
On 3/13/18 9:14 PM, Chuck Guzis via cctalk wrote:
Al, did you see this patent by Kennedy:
https://patents.google.com/patent/US3947876
--Chuck
No, I hadn't. Interesting it doesn't seem to match the circuit in any of the
manuals
I've scanned.
I've also been scanning some boxes of instrumentation recorders. They've been
going up
under http://bitsavers.org/test_equipment