Improvement in the Manufacture of Black Bottle-Glass.
Description:
Patent for manufacturing black bottle-glass by using "combination with other ingredients, an earthy slate of a peculiar character, called "clay-slate," for the purpose of furnishing the coloring-matter of the glass,as well as forming one of the bases of the glass itself."(line 10-15) Instruction only, no illustration.
Date:
September 2, 1856
Creator:
McCully, John F.
Item Type:
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Partner:
UNT Libraries Government Documents Department