Letter (photographic reproduction) to the Menasco Manufacturing Company from Ted Brown, President of Ted Brown Aeronautics, May 11, 1937. Discusses the fuel consumption of Menasco engines. One typed page on Ted Brown & Bud Ernst Aeronautics…
Letter (photographic reproduction) to A. S. Menasco, President of the Menasco Manufacturing Company, from Ben Howard, President of the Howard Aircraft Corporation, April 20, 1937. Discusses the reliability and performance of the Model B6 engines. One…
Photograph of a balloon in flight above a crowd and hangar, circa 1910s. "1914" is painted on the balloon.Stamped on verso: "R. R. Martin / [address in Hollywood, California]."
Illustration (photographic reproduction) of a hypothetical invasion by land, air, and sea of England by French forces, circa early 1800s. The scene depicts balloons in flight, warships, and troops passing through a tunnel under the English Channel.