833A tube coil

From:  Mark S Graalman [SMTP:wb8jkr-at-juno-dot-com]
Sent:  Monday, June 01, 1998 3:28 PM
To:  tesla-at-pupman-dot-com
Subject:  Re: 833A tube coil

  Ed, all graphite anode tubes are designed to run
with the anode red-orange in color, this type of anode
when run at these temperatures acts as a 'getter' and
clears the tube/anode structure of gas.

Mark Graalman

On Mon, 1 Jun 1998 13:14:07 -0500 Tesla List <tesla-at-pupman-dot-com> writes:
>From:  Edward V. Phillips [SMTP:ed-at-alumni.caltech.edu]
>Sent:  Sunday, May 31, 1998 5:13 AM
>To:  tesla-at-pupman-dot-com
>Subject:  Re:  833A tube coil
>"The anodes glow a
>pale orange colour, not red so as to cause concern. I'm not sure how
>"red" the 833 anodes can glow before any damage occurs."
>	Orange is hotter than red in this case!  Light orange
>sounds acceptable, white isn't!

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