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Glass was a lot less common back then than it is today. It was very precious, and in the Bible glass has been compared to gold. (Job 28:17); The art of glass making eventually reached Egypt. The Egyptians used a method called core-forming.
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www.kinsalecrystal.ie/history.htm
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For a cheaper flint-glass, take 120 lbs. of white sand, 35 lbs. of pearlash, 40 lbs. of red-lead, 13 lbs. of nitre, 6 lbs. of arsenic, and 4 oz. of magnesia. This requires a long heating to make clear glass, and the heat should be brought o...
http://www.publicbookshelf.com/public_html/The_Househol...
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Chicago area, community-access glass blowing studio and gallery offering classes. ... The Making Glass web catalog features art glass objects made by emerging American artists, all created in small local glass studios. See our web Catalog for a selection of our hand made glass items many one of a kind.
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www.makingglass.com/
www.makingglass.com/
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Click here for a slideshow of the glass-making in action. And turn the page for video. ... Although making glass from sand is satisfyingly primal, starting with actual glass is more practical. Old test tubes yield high-grade borosilicate glass; wine bottles, colored glass. Watch out—it’s all very sharp and hot when molten!
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www.popsci.com/diy/article/2008-11/making-glass-grill-v...
www.popsci.com/diy/article/2008-11/making-glass-grill-video
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The author creates an ornament—using his barbecue ... Although making glass from sand is satisfyingly primal, starting with actual glass is more practical. Old test tubes yield high-grade borosilicate glass; wine bottles, colored glass. Watch out—it’s all very sharp and hot when molten!
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www.popsci.com/diy/article/2008-11/making-glass-grill
www.popsci.com/diy/article/2008-11/making-glass-grill
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Glass is that mysterious translucent substance of what is essentially super-heated silica sand. Although details about the history of glass and glass making are still disputed, the earliest use of glass was undoubtedly that of the natural glass called obsidian.
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archaeology.about.com/od/glass/ss/glass_making.htm
archaeology.about.com/od/glass/ss/glass_making.htm
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No other kind of factory looks like a glass plant. Huge bins called silos hold the raw materials for glassmaking. These materials are powders that look much alike but can produce greatly different results.
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www.texasglass.com/glass_facts/How_Glass_made.htm
www.texasglass.com/glass_facts/How_Glass_made.htm
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Green Glass parts ... "Glass is a fused mixture of sodium or potassium silicates with one or more of the insoluble silicates with varying proportions of other substances which produce color, or give to the glass some especial characteristic such as certain refractive indexes or tolerance to reagents. ... Recipes for Making Glass...
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www.ecu.edu/chem/glassblowing/oldrecipes.htm
www.ecu.edu/chem/glassblowing/oldrecipes.htm
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; One Eared Cow Glass; 1001 Huger Street; Columbia, SC; 803/254-2444; www.oneearedcow.com ... ; Short History and Photo Exhibit of Glass-Making Process at One Eared Cow Glass in Columbia, SC...
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www.carolinaarts.com/glassmaking.html
www.carolinaarts.com/glassmaking.html
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