A glass blower works with a blowing iron and molten glass to blow a window-glass cylinder, Pennsylvania, circa 1900.


A glass blower works with a blowing iron and molten glass to blow a window-glass cylinder. Other workers are observing the task.
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A glass blower works with a blowing iron and molten glass to blow a window-glass cylinder, Pennsylvania, circa 1900.

Courtesy of the Pennsylvania State Archives