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Patent Model of a Pantographic Engraving Machine
From the collection of National Museum of American History. Free to download, adapt and use — no permission needed.
About this work
This patent model demonstrates an invention for a pantographic engraving machine which was granted patent number 99794. The patent describes a machine for engraving on name plates and other metallic ware.
National Museum of American History’s own descriptionCredit linePatent Model of a Pantographic Engraving Machine. ca 1870. Spencer, J. Civilian. National Museum of American History. CC0.
