One traditional way of making flat window glass was to start with a large cylinder like this one, cut off the ends, cut it lengthwise, and heat it in a kiln until it flattened.
Gift of J. E. Springer.
http://www.cmog.org/
Love, Art and Design
One traditional way of making flat window glass was to start with a large cylinder like this one, cut off the ends, cut it lengthwise, and heat it in a kiln until it flattened.
Gift of J. E. Springer.
http://www.cmog.org/
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