double pass autocollimator for null testing paraboloids
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Added: 3 years ago
From: Rumplefairy
Views: 3,339
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  • Guy,

    Nice double pass autocollimator!

    The null test results are very accurate and I am certain that you will be continuing to produce high quality mirrors using this test.

    Best regards,

    Francis

    foreilly1958 3 years ago

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