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Old 03-30-2005, 08:08 AM
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Bruce Troeh Bruce Troeh is offline
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Join Date: Feb 2003
Location: Independence, Missouri
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origin of COE

While Iowa State still has the glass facility it no longer offers glassblowing except through the Glasblowers Guild. I started in 1977 learnign (sp) about formulating batch and calculating COE with Dr. David Martin. At the time I remember one of the grad students had purchased a box of kugler color I dearly wanted to use. Our batch was 111 - 113 COE. I do remeber a few broken pieces.
I've got a box of kugler to play with now but I'm using 104 so it still sits. BTW. Bruce
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