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in subjects: "combustion engines"  
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Internal Combustion Engine.

Description: Patent for improvements to the class of explosive engine for a motor vehicle and internal gas combustion engine, including illustrations.
Date: March 27, 1917
Creator: Murray, Harry A.; Dorman, William T. & Pollard, Claude
Partner: UNT Libraries Government Documents Department

Speed-Controlling Mechanism for Motor-Vehicles.

Description: Patent for a device that automatically closes the throttle to slow the speed of a motor vehicle when necessary. The device is designed to respond to vehicle load, road surface, and a predetermined speed limit.
Date: July 17, 1917
Creator: Carpenter, John C.
Partner: UNT Libraries Government Documents Department

Automatic Air Device for Gas Engines.

Description: Patent for a removable automatic air device for delivering air to gas engines in proportion to the speed of the engine.
Date: April 3, 1917
Creator: Rivers, Charles A.
Partner: UNT Libraries Government Documents Department
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