Racecar driving had come a long way by the time this Mercedes-Simplex won on the Grosse Pointe track in Detroit in 1902

CREDIT: “H.S. Harkness in his Mercedes-Simplex, winning five-miles event in 6:1 3-5, Grosse Pointe track, Detroit,” 1902. Prints and Photographs Division, Library of Congress. Reproduction Number LC-D4-14744 DLC.