The Marsh brand originated with the American Motor Co. of Brockton, Massachusetts. The Marsh brothers began their automotive experiments by building three steam cars between 1899 and about 1901, before turning their attention to motorcycles, which they produced until around 1916. In 1905, the brothers introduced a two-seater runabout powered by a front-mounted, air-cooled two-cylinder engine producing 10 horsepower. The car featured a distinctive single acetylene headlamp mounted ahead of…