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Patent Model of Hand Inking Rollers
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 hand inking roller which was granted patent number 20710. The patent describes an inking roller supported in a frame that allowed the roller's height to be adjusted against a set of bearing wheels.
National Museum of American History’s own descriptionSubjects
Credit linePatent Model of Hand Inking Rollers. ca 1858. Hanscom, Alpheys A.. National Museum of American History. CC0.