Carl Spoerer's Sons Co. was an automobile manufacturer based in Baltimore, Maryland, founded by Charles and Jacob Spoerer, sons of carriage builder Carl Spoerer. The brothers decided to enter the automobile business in 1907, though their first production cars did not reach the market until late 1909, sold as 1910 models. These early cars were equipped with 40 hp four-cylinder Herschell-Spillman engines, three-speed gearboxes, shaft drive, and radiators resembling those…