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Patent model for printers' extension sidesticks
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 sidesticks composed of two parts that fitted together, tongue in groove, in such a way that the full length of the stick always pressed on the type, no matter how far the two parts were pulled out. The invention was granted patent number 115136.
National Museum of American History’s own descriptionSubjects
Credit linePatent model for printers' extension sidesticks. ca 1871. Uhlhorn, John F.. National Museum of American History. CC0.
