"Harold E. Johnson" wrote in message
news:hLHPj.79171$TT4.13702@attbi_s22...
Would some kind soul that actually knows/uses one of these, please
identify the filament ring and the filament/cathode ring.

MNI Tnx

W4ZCB


Bottom - - Heater
Next up - - Heater and cathode
Next up - - Grid
Next up - - Screen