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10SP4=10 1/2" roundface,17" long,grey faceplate,50 deg deflection angle,retma base is 13m,...Electrostatic focus....,2nd anode voltage is 14kv,G2 is 410 volts,G1 (cutoff) 18-48 volts
This sounds good. What means:"retma base is 13m?"
Is the faceplate flat? How much is the diameter of the neck?
Thanks,
Darius