glass identification

• To: "'Tesla List'" <tesla-at-pupman-dot-com>
• Subject: glass identification
• From: Tesla List <tesla-at-stic-dot-net>
• Date: Tue, 3 Mar 1998 17:29:50 -0600
• Approved: tesla-at-stic-dot-net

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From:  joe cummings [SMTP:joecmn-at-globalnet.co.uk]
Sent:  Tuesday, March 03, 1998 2:17 PM
To:  Tesla List
Subject:  Re: glass cutting

At 22:45 27/02/98 -0600, you wrote:
>
>----------
>From:  Eleanor Flood [SMTP:eflood-at-bellsouth-dot-net]
>Sent:  Monday, January 12, 1998 2:01 PM
>To:  tesla-at-pupman-dot-com
>Subject:  glass cutting
>
>If anyone out there is planning on making plate glass caps, please be
>warned, our neighbor gave us a couple of fine sheets of Hercules Safety
>glass. 

You can see the stress marks on car windscreens by polarised light or
through a polarising filter.
This may be a useful test of any glass that you're trying to work

Joe Cummings

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