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Corwin Manufacturing Company (formerly ) was a pioneer brass era American automobile company, built in Peabody, Massachusetts. During 1905 and 1906, Corwin produced the Gas-au-lec, a five-place side-entrance tourer with a copper-jacketed four-cylinder four-cycle gasoline (petrol) engine of 40-45 hp (30-34 kW). The company's ads claimed it lacked starting crank, "change speed gears", clutch, cams, valve gear, tappets, and complications, thanks to electromagnetically operated inlet valves.