(Nov 12, 2016)
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Two years later, Corning creates an improved glass formula under the PYREX® brand
This early disk is made from PYREX® material and is one of the several large-sized mirror blanks cast by Corning under McCauley’s direction
This thin profile would enable 261 actuators on the reverse side of the mirror to constantly reshape its surface through tiny nudges that keep starlight precisely focused
however dating, denomination, certificate number and issuance details may vary
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