CC0 · no rights reserved
Patent Model of an Ink-feeding Device 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 an ink-feeding device for a paper ruling machine; the invention was granted patent number 208592. The patent describes a device to avoid overcharging pens with ink when the ruling machine was at rest.
National Museum of American History’s own descriptionCredit linePatent Model of an Ink-feeding Device for a Paper-ruling Machine. ca 1878. Handy, William. National Museum of American History. CC0.