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#6
11-02-2009, 01:32 PM
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Bill...
I have posted a picture of the gun in a 10FP4 that is in a GE 10T4 set that I am working on. The Grid cup and G2 show plenty of yellow to blue color... does your gun resemble this? This tube is not gassy and is a strong performer. I have always thought that the colors that I see here were developed during pumping due to the RF heating of the gun before it was sealed off. I believe that in those days, gun parts were NOT hydrogen fired before processing. But this is only a guess. jr 
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