CC0 · no rights reserved
Patent Model of 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 157715. The patent details a ruling machine with the ability to start and stop lines within the edges of a sheet of paper.
National Museum of American History’s own descriptionCredit linePatent Model of a Paper-ruling Machine. ca 1874. Collins, Tyrannus F.. National Museum of American History. CC0.
