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First outboard motor
Take the ubiquitous outboard motor that enabled millions of people to take to the water. French inventor Gustave Trouve developed the first practical marine outboard in 1880 -- and it was powered by electricity.
Trouve and three friends cruised the Seine in silence aboard a 17-foot launch with an electric motor powered by two bichromate of potassium batteries. By 1890, Trouve motors powered 100 boats in Europe.