[Prev][Next][Index][Thread]
glass identification
----------
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