The Czechoslovakian Tatra 77 (T77) is the first serial-produced truly aerodynamically designed automobile. It was developed by Hans Ledwinka and Paul Jaray, the Zeppelin aerodynamic engineer. The Tatra 87 was praised by German officers in World War II for the superior speed and handling it offered for use on the Autobahn.
Unknown Photographer, Three long exposures of Art Smith performing a flying demonstration at night with flares attached to his aircraft during the last night of the Panama-Pacific International Exposition (PPIE) in San Francisco. (1915)