CC0 · no rights reserved
Patent model for printers' chase lock
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 combination of quoins and sidesticks, with a special lever for their adjustment; the invention was granted patent number 11091.
National Museum of American History’s own descriptionCredit linePatent model for printers' chase lock. 1854. Sprague, E. H.. National Museum of American History. CC0.
