Patent Model - Improvement in Rotary Steam-Engines
Maker and role
John Barden, Patentee
John Barden, Assignor
Daniel Pickering, Assignee
Jul 14 1868
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Wood, paint, iron, steel
11 x 8 5/8 x 10 1/8" (27.9 x 21.9 x 25.7cm)
Barden's invention has "reference to what are termed Semi-Rotative Engines, to be operated by steam or other suitable elastic motor." (Patent Number 79,803)
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