J. Forster wrote:
Interestingly, I recently had dinner with an archeology professor,
interested in the Etruscan period. She had just discovered a flatish piece
of glass i9n a dig, thousands of years old, and believes it was made
essentially like rolling out dough on a slab while red hot.
To
A better
explanationhttp://en.wikipedia.org/wiki/Glass#Glass_versus_a_supercooled_liquidcan
be found in the wiki
On Tue, Jun 16, 2009 at 4:34 PM, Chuck Harris cfhar...@erols.com wrote:
J. Forster wrote:
Interestingly, I recently had dinner with an archeology professor,
interested in the
In message 4a37ad7f.1090...@erols.com, Chuck Harris writes:
J. Forster wrote:
To me, it would seem that playing with a blob of molten glass in
a fire, and spreading it out, or rolling it would be a more natural
step in the progression of making glass windows than blowing
a bubble.
The problem is
A better
explanationhttp://en.wikipedia.org/wiki/Glass#Glass_versus_a_supercooled_liquidcan
be found in the wiki
On Tue, Jun 16, 2009 at 4:34 PM, Chuck Harris cfhar...@erols.com wrote:
J. Forster wrote:
Interestingly, I recently had dinner with an archeology professor,
interested in the
Early glass likely did not have to be perfectly clear, but just to
transmit light.
Here is an interesting (if commercial) site:
http://www.glasslinks.com/history.htm
-John
===
In message 4a37ad7f.1090...@erols.com, Chuck Harris writes:
J. Forster wrote:
To me, it would seem that
d...@uk-ar.co.uk said:
Or as someone else suggested, use a Glass container. So long as you
don't want it to last for many 100's of years, as Glass is not a
solid, it is a super cooled fluid and as such it flows like Ice over
time, just that it takes much much longer to do so!
As best as I
years
earlier. Sounds liquid to me.
Dave
- Original Message -
From: Hal Murray hmur...@megapathdsl.net
To: time-nuts@febo.com
Sent: Monday, June 15, 2009 12:23
Subject: [time-nuts] Lifetime of glass containers
d...@uk-ar.co.uk said:
Or as someone else suggested, use a Glass container
as it goes until hard
enough to cut into sheets. http://en.wikipedia.org/wiki/Float_glass
Joe Gwinn
Dave
- Original Message -
From: Hal Murray hmur...@megapathdsl.net
To: time-nuts@febo.com
Sent: Monday, June 15, 2009 12:23
Subject: [time-nuts] Lifetime of glass containers
d
That's just it, the glass wasn't flat to begin with.
Early glass was poured out into sheets, and was quite
non uniform in thickness.
-Chuck Harris
Dave Carlson wrote:
Not to charge in, but I've looked at ordinary window pane glass in very old
buildings and you can actually see the rippling
dgcarl...@sbcglobal.net; Discussion of precise time
and frequency measurement time-nuts@febo.com
Subject: Re: [time-nuts] Lifetime of glass containers
That's just it, the glass wasn't flat to begin with.
Early glass was poured out into sheets, and was quite
non uniform in thickness.
-Chuck Harris
-Original Message-
From: time-nuts-boun...@febo.com
[mailto:time-nuts-boun...@febo.com] On Behalf Of Dave Carlson
Sent: Monday, June 15, 2009 12:57 PM
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] Lifetime of glass containers
Not to charge
Before you charge in, read
http://en.wikipedia.org/wiki/Glass#Behavior_of_antique_glass
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Sent: Monday, June 15, 2009 12:23
Subject: [time-nuts] Lifetime of glass containers
d...@uk-ar.co.uk said:
Or as someone else suggested, use a Glass container. So long as you
don't want it to last for many 100's of years, as Glass is not a
solid, it is a super cooled fluid
=
-Original Message-
From: time-nuts-boun...@febo.com
[mailto:time-nuts-boun...@febo.com] On Behalf Of Dave Carlson
Sent: Monday, June 15, 2009 12:57 PM
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] Lifetime of glass containers
Not to charge
To: Discussion of precise time and frequency measurement
time-nuts@febo.com
Sent: Monday, June 15, 2009 4:34 PM
Subject: Re: [time-nuts] Lifetime of glass containers
Interestingly, I recently had dinner with an archeology professor,
interested in the Etruscan period. She had just discovered
edge of the pane.
One
presumes that the panes were relatively uniform when installed 120 years
earlier. Sounds liquid to me.
Dave
- Original Message -
From: Hal Murray hmur...@megapathdsl.net
To: time-nuts@febo.com
Sent: Monday, June 15, 2009 12:23
Subject: [time-nuts] Lifetime
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