Photograph of Charles Lindberg piloting a Bowlus SP-1 Paper Wing Glider above a crowd, Fish Ranch, Carmel, California, March 1930.Inscription on envelope: "Lindbergh + sail plane at Fish Ranch, Carmel Calif."
Photograph of Walter Brookins' Wright Model B aircraft taxiing across water, Los Angeles, California, circa 1915.
Inscription on envelope: "Walter Brookins' Wright biplane / Griffith Park L.A. / 1915."
Photograph of Lawrence Brown's Gage Tractor aircraft taking off, circa 1912. Inscription on envelope: "Lawrence Brown's Gage Tractor with 80 hp gyro revolving motor."
Photograph of a man, possibly Lawrence Brown, with Brown's Gage Tractor aircraft, circa 1912. Inscription on envelope: "Lawrence Brown's Gage Tractor with 80 hp gyro revolving motor."
Photograph of Lawrence Brown's Gage Tractor aircraft, circa 1912. Inscription on envelope: "Lawrence Brown's Gage Tractor with 80 hp gyro revolving motor."
Photograph of Lawrence Brown's Gage Tractor aircraft, circa 1912. Inscription on envelope: "Lawrence Brown's Gage Tractor with 80 hp gyro revolving motor."
Photograph of Ralph Newcomb working on an unidentified seaplane, Balboa, California, circa 1912.Inscription on envelope: "Newcomb's accident at Balboa / 1912."
Composite photograph of an aircraft taking off from a ship, along with an image of a woman, a man in flight gear, and a ship's captain, circa 1910s.Inscription on envelope: "4 cylinder motorcycle -- Built in B[Illegible] / Pope Toledo would-be racing…