[Boatanchors] RE: 2X2 question

[Mark Foltarz]

Yes, my mistake on the mercury in the 2X2. It is a hard vacuum tube.

For some reason I was fixated on the 866 and the thought that the 2X2 was an
866 jr.  I had four of those in my Drake powers upply for my ART-13.


But in regards to the early HeNe laser failures, I think that was most likely
bad seals where the optics are glued to the main tube body as opposed to
diffusion through glass.

Thoughts?

de KA4JVY

Mark



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