Photographic portrait of Frederick Eppelsheimer, circa 1918. This photograph was used for a passport and is included with the Orville Wright letter.Inscription: "Frederick Eppelsheimer."Inscription on verso: "1918 passport to France."Notecard…
Letter to Frederick Eppelsheimer of the New York Herald from Orville Wright, April 7, 1915. Discusses the use of pendulums in providing lateral stabilization for aircraft and the conditions necessary for soaring or hovering flight. Also mentions the…