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Rotary Engine.

Description: Patent for a new and improved rotary engine, including instructions and illustrations.
Date: September 27, 1898
Creator: Walker, James C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Rotary Engine.

Description: Patent for a new and improved rotary engine, including instructions and illustrations.
Date: September 27, 1898
Creator: Walker, James C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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