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Stephen Richard
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Content by Stephen Richard
Content by Stephen Richard

121 followers
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Annealing Range
Sometimes,
people feel they need to use the lower part of the annealing range for all
their glass, as Bullseye has published annealing tables for thick slabs. To
determine whether or when to use these tables needs some understanding of the
annealing range. ...
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**
A little story by Ali Rogers about an installation far away from its origin in Scotland. ...so you know how your parents would tell you that one thing leads to another thing, and you never know exactly how a kindness plays out? Well, please see the attached...
Verrier
Verrier
verrier-glass.blogspot.com
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Stephen Richard commented on a post on Blogger.
Mea culpa. I inadverdently copied what I thought was a free image because it showed so well the difference in scoring pressure. The image came from https://livingsunglass.com/
Diagnosis of Cutting
Diagnosis of Cutting
glasstips.blogspot.com
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Peeking
Observation is desirable for
learning and essential for several processes.   How you do that is important to the safety and health of your eyes and skin.   This post  gives some guidance on the protections required . Each observation should take a
fraction ...
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Tin Bloom
Using float glass sometimes produces partial clouding as
though devitrification were present. Although float glass is prone to
devitrification, not all the cloudy film on the surface is due to
devitrification. Float glass, which these days, is almost all cl...
Tin Bloom
Tin Bloom
glasstips.blogspot.com
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Thinfire and Devitrification*
There are reports that Thinfire
causes devitrification by rising over the edges of the piece.  There as many saying they have no
difficulties with the Thinfire curling. 
This indicates there are several factors that may be at work. If the Thinfire curls ove...
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Rates of Advance with Soaks
I’m sure I
have written about this before, but a repetition will not hurt. I have seen
many schedules with initial rates of advance interrupted by soaks.   These kinds of schedules that are written
something like this: 250 degrees
to 200, soak for 10 (or 20...
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Came: Straighten vs stretch
In dealing
with lead came there is often reference to “stretching the lead”.  This frequently leads to emphasis on making
the lead came longer. However, this is a misinterpretation of the phrase. The object
in pulling on the lead is to straighten it. 
No mo...
Came: Straighten vs stretch
Came: Straighten vs stretch
glasstips.blogspot.com
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Foiling Space
There are a lot of views on what amount
of space is required between copper foiled glass pieces.   Some say the pieces should be tight, others
that a consistent space is needed, and some who say that variable spaces are
fine. It is necessary to consider wha...
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Relative stress in Tack and Full Fused Glass
There is a view that there will be less
stress in the glass after a full fuse than a tack fuse firing. This view may have its origin in the
difficulties in getting an adequate anneal of tack fused pieces and the
uncritical use of already programmed schedule...
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