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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 model of a pantographic engraving machine which was granted patent number 54759. The patent details an engraving machine capable of producing copies of the same size as the pattern, or larger or smaller, or of altered proportions; also, a ruling machine.
National Museum of American History’s own descriptionCredit linePatent Model of a Pantographic Engraving Machine. ca 1866. Oldham, Edmund. National Museum of American History. CC0.