Atlas was an American automobile brand that operated from 1907 to 1913, founded by Harry A. Knox in Springfield, Massachusetts. Knox, who previously established the Knox Motor Truck Company, introduced the Atlas brand after leaving his namesake company. The initial model, the Adas Model R Runabout, featured a 20-horsepower, 2-cylinder, 2-stroke engine and was built on a 90-inch (2284 mm) wheelbase. This model was designed by the Sunset…