Word: valveless
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Dates: during 1928-1928
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...Valveless Motor. Two Houston, Tex., mechanics, H. S. Lyons and Victor Toce, last week demonstrated a two-cycle, four-cylinder internal combustion gasoline motor that had no valves or carburetor and only 13 working parts. A "turbulator" breaks the gasoline into fine spray; two spark plugs for each cylinder explode the gasoline spray...