At 05:38 PM 24/09/2019 -0500, Cindy wrote: >https://www.ebay.com/itm/174036836066
Sigh. A whole lot of HP 3497A data acquisition plugins (in the back there, with the pull rings): https://i.ebayimg.com/00/s/MTIwMFgxNjAw/z/ZrUAAOSwI5Fdg5KH/$_57.jpg Not sure which cards. Maybe optically isolated A/D or D/A? I have a 3497A. Oh well. This is going to be as frustrating as that other guy selling a huge box of HP cards for gold, for $600. https://www.ebay.com/itm/60-lbs-vintage-1970s-HP-interface-boards-gold-yellow-fingers-for-scrap-recovery/383039137321 Huh, didn't sell yet, what a surprise. And he's dropped the price a whole $50. Must have agonized over that. Guy