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Patent model for sidesticks and quoins
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 combination of quoins and sidesticks which was granted patent number 218518. The quoins swiveled on the ends of wide screws that turned into the sides of the metal sidesticks. A guage in the center of each sidestick told the compositor how far the quoin could be extended.
National Museum of American History’s own descriptionCredit linePatent model for sidesticks and quoins. ca 1879. Gosorn, George T.. National Museum of American History. CC0.