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Rotary Engine.

Description: Patent for an improvement in rotary engines, specifically in engines where the piston is operated by direct and expansive force of steam.
Date: December 16, 1902
Creator: Carothers, Samuel Eugene
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Washing Machine

Description: Patent for a washing machine. "This invention relates to washing-machines in the nature of a combined boiler and washing machine" (8-10). Illustration included.
Date: October 13, 1903
Creator: Pollard, Louis Edgar
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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