https://www.ebay.com/itm/Victor-VC31...temCondition=4
https://www.ebay.com/itm/Heathkit-Mo...temCondition=4
https://www.ebay.com/itm/B-K-Model-1...temCondition=4
Here's 3 more I've found that look promising, neither of them have a power cord though, specifically the last two, which uses the old style computer plug.
what do you think? Which one would be the best out of these 3 units?