Credit: Courtesy of the Pennsylvania State Archives
A glass blower works with a blowing iron and molten glass to blow a window-glass cylinder, Pennsylvania, circa 1900.
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A glass blower works with a blowing iron and molten glass to blow a window-glass cylinder, Pennsylvania, circa 1900.
Credit: Courtesy of the Pennsylvania State Archives
A glass blower works with a blowing iron and molten glass to blow a window-glass cylinder, Pennsylvania, circa 1900.
