2kw tubes

From:  Edward V. Phillips [SMTP:ed-at-alumni.caltech.edu]
Sent:  Friday, May 29, 1998 3:42 PM
To:  tesla-at-pupman-dot-com
Subject:  Re:  2kw tubes

"They would be pretty used, I believe he said
something akin to the thorium on the filament being
eroded, but if I were to increase the filament
voltage I should be able to get them to emit. "

	There is a standard procedure to reactivate thoriated
tungsten filaments.  It consists of running the filament
as hot as you dare for a few minutes, then coming back to
normal operating voltage and letting the filament run for
a while.  Can send you more exact quote if you become