National Museum of American History
Patent Model of a Pantograph
Schnoor, John J. F. · ca 1879
This patent model demonstrates an invention for a pantograph which was granted patent number 222798. The patent details the arrangement of scales and adjustment devices on a pantograph, particularly intended for use by tailors and dressmakers. The patent was granted to John Jurgen Friederich Schnoor of Davenport, Iowa on December 27, 1879.
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