Rich, you said;
>IMO, damage allegedly caused by an 'internal arc' -- in tubes which
>subsequently prove to have good vacuums -- is yet another 'old wives'
>tale'.
Am I interpreting you correctly that you are saying internal arcs CAN
occur, but rarely cause the major damage levels seen, such as bent
filaments etc, when the tube is not gassy?
73
Peter G3RZP
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