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Patent model for pneumatic sheet-feed apparatus
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 pneumatic sheet-feed apparatus consisting of a suction bar and pins to separate and lift the sheets; the invention was granted patent number 160721.
National Museum of American History’s own descriptionCredit linePatent model for pneumatic sheet-feed apparatus. ca 1875. Scholfield, Socrates. National Museum of American History. CC0.