1929 11 2 Autogiro A New Way To Fly By Juan de la Cierva article photos THE SATURDAY EVENING POST 10.5″×12.5″ page 186
1929 11 2 Autogiro A New Way To Fly By Juan de la Cierva article photos THE SATURDAY EVENING POST 10.5″×13.25″ page 180
1929 11 2 Autogiro A New Way To Fly By Juan de la Cierva article photos THE SATURDAY EVENING POST 10.5″×13.25″ page 181