polarizer, stopwatches

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From: Paul Doherty (pauld@exploratorium.edu)
Date: Wed Apr 04 2001 - 10:03:12 PDT 

Message-Id: <l03110715b6f1043a14e9@[192.174.2.173]>
Date: Wed, 4 Apr 2001 10:03:12 -0700
From: Paul Doherty <pauld@exploratorium.edu>
Subject: polarizer, stopwatches

Pinholers
American Science & Surplus

http://www.sciplus.com

is listing stopwatches in their current catalog for $7.50 each. item # 22152

Also sheet polaroid (amber) for $7.50 / ft^2 item # 26788

Paul D

Paul "But it is more complicated than that!" Doherty,
Senior Staff Scientist, The Exploratorium.
pauld@exploratorium.edu, www.exo.net/~pauld

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