From: Paul Trudelle (ptrudelle@woodsidepriory.com)
Date: Mon Sep 06 1999 - 20:19:01 PDT
Message-ID: <37D48425.17EB@woodsidepriory.com> Date: Mon, 06 Sep 1999 20:19:01 -0700 From: Paul Trudelle <ptrudelle@woodsidepriory.com> Subject: Re: Pinhole Digest #232 - 09/06/99
Pinhole Listserv wrote:
A former student just asked me if tempered glass has a different ultra
violet absorption index than regular glass. Anyone know?
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