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King Direct-Acting Pump Valve Gear, 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 John C. King, of New York, New York, September 20, 1870, no. 107504.
National Museum of American History’s own descriptionSubjects
Credit lineKing Direct-Acting Pump Valve Gear, Patent Model. 1870. King, John C.. National Museum of American History. CC0.
