Wrangell Sentinel -

The Way We Were

 

October 22, 2020



October 21, 1920

Walter J. Larson of Wrangell, who two years ago obtained a patent on a fish trap, has recently invented a piston-cooling device for internal-combustion engines. Mr. Larson’s invention comprises an improvement in water cooled pistons with a supply of cooling water. While the invention is described as using water for cooling purposes, any suitable fluid may be used. The invention may also be used with many types of engines and it is not the intention of the inventor to limit its application to any particular type. The object of the invention is to provide a piston-cooling d...



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