National Geographic March 1921
America in the Air: The Future of Airplane and Airship, Economically and as Factors in National Defense
World War I showcased the airplane’s effectiveness for military purposes, but civil and commercial purposes remain undeveloped.
From London to Australia by Ae?roplane: A Personal Narrative of the First Ae?rial Voyage Half Around the World
In a biplane equipped with two powerful Rolls- Royce engines, a World War I aviator becomes the first to fly from London to Australia.
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