CC0 · no rights reserved
Patent model for trimming 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 trimming machine. Maker, patent number, and date are unknown.
National Museum of American History’s own descriptionSubjects
Credit linePatent model for trimming machine. ca 1870. unknown. National Museum of American History. CC0.