CC0 · no rights reserved
Stevens Steam-Engine Condenser, Patent Model
From the collection of National Museum of American History. Free to download, adapt and use — no permission needed.
About this work
This model was submitted to the U.S. Patent Office with the application for the patent issued to Francis B. Stevens, November 3, 1863, no. 40510.
National Museum of American History’s own descriptionCredit lineStevens Steam-Engine Condenser, Patent Model. 1863. Stevens, Francis B.. National Museum of American History. CC0.