Message-Id: <v01540b1aaf7da9a49354@[192.174.2.173]>
Date: Fri, 18 Apr 1997 14:44:25 -0800
To: pinhole@exploratorium.edu
From: pauld@exploratorium.edu (Paul Doherty)
Subject: Re: Polorizing filters
Gary
Edmunds Scientific is a good supplier of polarizing filters.
So is Educational Innovations.
Paul Doherty