In 1914, Warren H. Manning began work on the National Plan which culminated in a "National Plan study brief," printed in Landscape Architecture, July 1923. The full report was never published but provides interesting viewpoints on how state...
Aeronautics--Flights; Aeronautics--History; Airplanes--Design and construction--History; Airplanes, Tailless; Delta wing airplane; World War, 1939-1945--Science--Germany
Aeronautics--Flights; Aeronautics--History; Airplanes--Design and construction--History; Airplanes, Tailless; Delta wing airplane; World War, 1939-1945--Science--Germany