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OK. Used a 6.3V tube for the load, and the 8080A performed like it's supposed to perform.
Ran the "position 1" emissions test on the 12LP4. With 6.3 volts on the heater, the meter takes about 8 seconds to peak at .75 milliamps. Press the interrupt button and almost immediately the needle starts dropping and takes about 8 seconds to reach the neighborhood of zero milliamps. I repeated the test two more times with the same result.
By the criteria in the Beltron instructions, this would be a hopeless CRT--but I don't know if those criteria are relevant to a 65-year-old CRT. Video dudes, what do you think of this CRT?
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Winky Dink
Damn the patina,
Full speed ahead!
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