Source:Dithridge-pot
From Pittsburgh Streets
Edward Dithridge. "Pot for glass-making." U. S. patent 31,011, Jan. 1, 1861. http://pdfpiw.uspto.gov/.piw?Docid=00031011, https://patents.google.com/patent/US31011A.
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- This page was last edited on 12 March 2022, at 15:11 UTC.
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