[R-390] Gettering old tubes

[2002tii]

Barry wrote:

>http://www.w8ji.com/vacuum_tubes_and_vaccum_tube_failures.htm

Note that this page describes high-power transmitting tubes that have 
gettering material applied to the anode or cathode (which is not done 
on receiving tubes), so the descriptions of clearing gas do not apply 
to receiving tubes.

Best regards,

Don


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