Brothers Philander H and Francis M Roots of Connersville, Illinois, US were issued with a United States patent for their supercharger, a design that would be extensively adopted by the automobile industry many years later


Tuesday 25th September 1860

Brothers Philander H and Francis M Roots of Connersville, Illinois, US were issued with a United States patent for their supercharger, a design that would be extensively adopted by the automobile industry many years later.


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