Results per page: 25 | 50 | 75 | 100 | 200 | Showing 1 to 7 of 7 Clear search american art and advertising commercial industrial industry motor sport motorcycles people social history and road safety traffic and roads vintage Show all Poster advertising Champion spark plugs. » A Rex motorcycle being used by firemen. » An Oldsmobile at the corner of an American street, 1954. » A police patrol with their Harley-Davidsons, America. » A three wheeled Harley-Davidson police bike, America, 1950 » 1931 Brough Superior SS80 de luxe, (c1931?). » Machine shop at Ariel Motors, c1950. »