On Sun, 02 Jun 2019 13:21:58 -0400, Fred McKenzie wrote:

Voltage drop times current, filament (cathode) to plate, plus voltage
times current across filament. Never measured temperature, but energy
has to go somewhere. Gets hot, radiates.

Er, yes. That wasn't quite what I meant, but never mind. My fault for not
being clear enough having re-read it.




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