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Friedman Injector, 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 Alexander Friedman, of Vienna, Austria, April 6, 1869, no. 88620.
National Museum of American History’s own descriptionSubjects
Credit lineFriedman Injector, Patent Model. 1869. Friedmann, Alexander. National Museum of American History. CC0.
