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Patent Model for a Paper-ruling 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 paper-ruling machine which was granted patent number 135751. The ruling pens on the machine were lowered and lifted by an electro-magnetic apparatus, a 'quick and lively but soft and easy' action. Patentee Averell is best known as the inventor of a wire stitcher (or stapler), which he patented in 1874.
National Museum of American History’s own descriptionSubjects
Credit linePatent Model for a Paper-ruling Machine. ca 1873. Averell, Ellicott D.. National Museum of American History. CC0.