Re: Pinhole Digest #232 - 09/06/99

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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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