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.

Prunted Beaker Restoration- Part Two
Video

Watch as our conservator, Stephen Koob, restores a 13th or 14th-century prunted beaker for the 2010 exhibition, Medieval Glass for Popes, Princes, and Peasants. This piece was on loan from the Museum zu Allerheiligen, Shaffhausen, in Switzerland. With painstaking care and precision Koob

Prunted Beaker Restoration- Part One
Video

Watch as our conservator, Stephen Koob, restores a 13th or 14th-century prunted beaker for the 2010 exhibition, Medieval Glass for Popes, Princes, and Peasants. This piece was on loan from the Museum zu Allerheiligen, Shaffhausen, in Switzerland. With painstaking care and precision Koob

60 Years- Glass Conservation
Video

The Museum's glass conservators care for a collection of more than 45,000 objects spanning 35 centuries. In addition to addressing issues such as crizzling (glass deterioration), they restore damaged pieces. One example is the Tiffany lamp shown here. It came to the Museum in many pieces of

Museum Under Water: The Corning Flood of 1972
Video

On June 23, 1972, Corning, New York and the surrounding communities were devastated by a major flood, as a result of the tropical storm Agnes. At The Corning Museum of Glass, hundreds of objects were broken, more than half of the Library's materials were saturated with flood water, and the

Live from the Conservation Lab
Video

Take a tour of the Museum's Conservation Lab with Chief Conservator Stephen Koob, Associate Conservator Astrid van Giffen, and Assistant Conservator Lianne Uesato. Explore the tools they use and learn about their individual backgrounds as they answer questions about conserving glass objects.

Crizzling
Article

The Stages of Crizzling Stage 1: Initial Stage Presence of alkali on the glass gives the surface a cloudy or hazy appearance. Tiny droplets or fine crystals can form if there is high (above 55%) or low (below 40%) relative humidity. Glass may feel slippery or slimy. Washing will remove alkali from