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