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Due to the winter storm projections, The Corning Museum of Glass will operate under a three-hour delay and will be open from noon to 5 pm on Sunday, January 20. The Rakow Library will be closed. The Museum and Library will return to normal hours and full operations on Monday, January 21 at 9 am.

All About Glass

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Cracking Off

As if glassblowing wasn't fast enough—it takes under three minutes to make a Roman bottle—cracking-off made the process even faster. This technique was well known by AD 20 or so, and cut the manufacturing time of simple tumblers in half.