[Amateur-repairs] Test jigs for potentiometers, TO-220 devices?

 

Hi all

Has anybody ever built test jigs for either potentiometers or TO-220 semiconductor devices?

I have a bunch of old pots that need testing, as well as dozens (maybe hundreds) of LM-317 and 780x style voltage regulators. 

My biggest need is a way to swiftly connect devices in the jig.  Any hints?  My industrial electronics expertise is rather limited in the area of fixturing.  All devices are RFE and may have crapped-out leads, so a plain socket is out of the question.  It'll have to use clamps.

As far as the electronic "guts" of the testers, I can probably figure them out but I'm willing to discuss and I welcome suggestions. 

Thanks and 73

Jim N6OTQ

PS -- This is the sort of project that Wayne Green would have published in 73.

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