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I used to have one of those Supreme units. Very nice, with momentary slide switches for various functions. As I recall, it wasn't a tube tester but had a cable you could plug into a tube socket, then put the tube in the tester, so you could measure voltages and currents.
Many useful ranges and functions.
The Triplett 630-NA is a great meter; I have one and it's accurate, with many nice ranges. I don't use mine for a couple of reasons but it's pretty good. I modified mine to use a wall wart in place of the unobtainable 30V battery for the high Ohms ranges.
The other stuff is fun but not terribly useful, in my opinion. I have a few items like these and would be happy to sell them off.
One thing I do have that might evoke some interest is a very old and very accurate digital voltmeter. Five digits, rack mount, .01% specs, Nixie tube readout. I have a picture if anyone cares. It works fine, and has an AC converter so it is both AC and DC up to 1000V and resolution about 100 microvolts on the low range. It's even autoranging! Built about 1962, solid state.
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