What is Non-Flint Glass?
Non-Flint is a term used for glass produced after the Lead period or after the U.S. Civil War. When the Civil war began, glass makers were told they could not use lead, as it was to be reserved for bullets during the war. They soon discovered a means to continue to produce glass without lead, by simply not adding it. All Pressed Glass from this point on was produced Unleaded or Non-Flint, as it was cheaper to produce. If you tap Non-Flint glass you will not hear a bell tone, just a dull, short ring.
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