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Old 01-26-2015, 02:49 AM
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ppppenguin ppppenguin is offline
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Join Date: Oct 2009
Location: London, UK
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If a CRT is going to be down to air for any length of time (days, not hours) it's a good idea to rough pump it and seal it off. While the phosphor shouldn't suffer it's just a simple and sensible precuation. No need to bake the tube or use the diffusion pump.
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