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Allen Two-Motion Cone-Valve, Patent Model
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Allen Two-Motion Cone-Valve, Patent Model

Allen, Horatio · 1855 · wood (overall material)

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 Horatio Allen, of New York, New York, June 19, 1855, no. 13075.

National Museum of American History’s own description
Credit lineAllen Two-Motion Cone-Valve, Patent Model. 1855. Allen, Horatio. National Museum of American History. CC0.

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