>Rich Measures
>asked:
>
>>- Ian: Please explain how both of these tubes scavanged gas when they
>>were not being operated.
>
>The scavenging process is a chemical reaction. It doesn't need electric
>power.
>
Let's see if I have this straight, Ian. Both 3-500Zs suddenly developed
gas at the same instant---whereupon the filament helices bent sideways,
which caused a (grid/filament) short and a near short. However, the
(Rauchian) gas that allegedly caused the grid/filament short was rather
excellently scavenged, whilst the tubes were cold no less, before they
could be tested on a hi-pot. Hmmmm.
R. L. Measures, 805-386-3734, AG6K
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