If, by GAP you mean Philbrick, my graduate thesis advizor designed their machines and wrote the "Palimpsest on Operational Amplifier Circuits".
-John ================= > Bob Camp-"ua714 = tough to find when it was brand new" > > Yes, but for years the 709 and 741 were ubiquitous and the 741 > is still alive and doing well today. The 714 is an asterisk, much > like the GAP Scientific K2-Ws I probably still have lying around. > I once owned a complete GAP analog computer with close to > 2000 tubes. _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.