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in creator/contributor: "Slaughter, Joel C."  
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Steam-Engine.

Description: Patent for "a high-speed rotary engine wherein the steam-impelled wheel shall revolve in a horizontal plane within an upright open cylinder." (Lines 10-13) Includes instructions and illustrations.
Date: January 19, 1897
Creator: Slaughter, Joel C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

System of Electrical Operation.

Description: Patent for an electrical system, which reduces the amount of power used to run a generator when there is low usage of the generator, thereby saving fuel.
Date: July 2, 1907
Creator: Slaughter, Joel C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Motor for Street-Cars.

Description: Patent for an improved motor design for street-cars in which each car has its own motor. The motor is steam powered.
Date: March 12, 1895
Creator: Slaughter, Joel C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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