In Reply to: Keep in mind... posted by mls-stl on July 15, 2012 at 10:21:19:
This ia picture of a vacuum tube op-amp from the analog computer that I used in 1961. The link has a complete description of the system and more pictures. As a 17 year old kid, I really enjoyed twirling the 10 turn precision potentiometers. :-)
Tony Lauck
"Diversity is the law of nature; no two entities in this universe are uniform." - P.R. Sarkar
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Follow Ups
- 1961Vacuum Tube Op-Amp - Tony Lauck 12:23:16 07/15/12 (2)
- RE: 1961Vacuum Tube Op-Amp - rick_m 17:19:13 07/15/12 (1)
- RE: 1961Vacuum Tube Op-Amp - Tony Lauck 17:44:00 07/15/12 (0)