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All About Glass

All About Glass

This is your resource for exploring various topics in glass: delve deeper with this collection of articles, multimedia, and virtual books all about glass. Content is frequently added to the area, so check back for new items. If you have a topic you'd like to see covered, send us your suggestion. If you have a specific question, Ask a Glass Question at our Rakow Research Library.

Rummer with Raven Seal- Technique
Video

Listen as glass artist William Gudenrath describes the technique used to make this Ravenscroft goblet. In March 1674, the English glassmaker George Ravenscroft applied for a patent to make colorless lead glass. Unfortunately, this glass was prone to crizzling, a chemical instability that results in