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[ATM] annealing




Dave,

>United Lens, a large annealer of all kinds of optical blanks,

My friend just bought 5 large precision-annealed blanks from them. Three have to be returned because of poor annealing. I have seen the photos of them thru full-size polarizing sheets. Even the "good" one shows Richard Schwartz' Satanic Cross. Is there somebody better to buy Pyrex from? (Please don't say the "N" word!!!)

John







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