Date: Thu, 10 Oct 2002 01:39:45 -0500
Author: "Paul D. Price"
Subject: Cathode ray tubes for demos
I have a set of very old cathode ray tubes with a ZnS screen to
"recreate" various experiments regarding Thompson and the discovery of the
electron. I am looking for a possible supplier in the event one breaks.
Does anyone have an idea for a supplier? I have not found one in my
Paul D. Price
Science Dept. Chair
Trinity Valley School
Ft. Worth, Texas 76132