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Smartify | Screw Propellor, Patent Model
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Screw Propellor, Patent Model
Screw Propellor, Patent Model
John MacHaffie
MacHaffie's citropeller was also covered by British patent 12,361, August 7, 1890.
Play description
1892
TR.308548
Image and text © National Museum of American History, 2021
Where you'll find this
National Museum of American History
Permanent collection