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Patent Model for Sheet-Delivery Fly Frames
From the collection of National Museum of American History. Free to download, adapt and use — no permission needed.
About this work
This patent model, assigned patent number 16,640, is for a sheet-delivery fly frame. The patent details improved fly frames for Hoe's type revolving presses that were more accurate and more convenient.
National Museum of American History’s own descriptionCredit linePatent Model for Sheet-Delivery Fly Frames. Patent Date 1857. Hoe, Richard March. National Museum of American History. CC0.