Expansion, thermal changes by grinding, polishing, figuring.

Ralph Seguin (seguin@vr2.engin.umich.edu)
Wed, 05 Jul 1995 14:10:09 -0400

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I'm going to start on my first mirror as soon as I can locate a reasonably inexpensive pair of blanks. Got any spares to sell? I cannot afford new blanks sold by the various optical shops.

Thanks, Ralph

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