Controlling Mechanism for Exhaust-Gases of Internal-Combustion Engines.
Description:
Patent for an improved controlling mechanism for accelerating the warming up of engines, especially automotive and marine engines. It can maintain a good working temperature while running at slow speeds so that the engine may operate economically in cold weather.
Date:
January 29, 1920
Creator:
Guthrie, William S.
Item Type:
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Partner:
UNT Libraries Government Documents Department