View of motorists in three Oldsmobile cars on seesaw during demonstration at Grosse Pointe track of Detroit Driving Club. Handwritten on back: "Oldsmobile, 1902 [sic]. This see-saw demonstration of maneuverability of curved-dash Oldsmobile runabout was staged at Grosse Pointe track of Detroit Driving Club in October 1901, when Henry Ford won his first race against Alexander Winton."