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Ah, so were these advancements around when my CRT was rebuilt, assuming that was roughly 1971? I just wanted to be sure that my tube was rebuilt properly with all of these concerns accounted for, as I did not know if perhaps there was a chance that the straight gun was a "last resort" for a tube that was considered to be in limited demand by that time. These types of tubes were sold to the guy I got this from because he was moving his business and no longer wanted to drag around all these older style tubes.
But yeah, if they knew what they were doing at that time and had found a way to avoid using ion traps, then I guess I have nothing to worry about.
Another small question; there's two small scratches on the face of my CRT. Can these be filled in with something or polished out? They aren't too noticeable. I was also curious to if you can paint over the old aquadag coating, perhaps with aerodag? The coating is in fine condition, but I was wondering if I could even it out and expand it to the same surface coverage at my original tube.
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