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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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In Reply to: Re: Does Anyone Know What Produces the Brown Stains Inside Some Tubes Like the 845 (NT)? posted by Len_ on September 27, 2004 at 17:51:17:
I am not sure abut that, I hae some used TV sweep tubes that are stained brown, and are metal plated....Looking for an answer as well. Lets think about what else is inside that envelope which is getting hot. Cathode emulsion is all white as far as I have been able to tell, and certainly none is used for thoriated tungsten...
regards,
Douglas
!
Beware the man who behaves deceitfully towards others, for there is nothing else to save you from his deceiving you
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Follow Ups
- Re: Does Anyone Know What Produces the Brown Stains Inside Some Tubes Like the 845 (NT)? - Sector-7G 05:34:36 09/28/04 (1)
- Impurities in gas/ vacuum, eg CO2?? nt - j rodney 09:17:21 09/28/04 (0)
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