@1511958269Contemporary gelatin silver print from vintage glass negative depicting scene from Panama-Pacific International Exposition, San Francisco, February 20 through December 4, 1915; two unidentified men seated in Loughead (Lockheed) Model G biplane on pier; San Francisco Bay and military ship visible in background; “2439” written in lower left corner; handwritten inscription on original sleeve, “22439 / E. Calderon hydroplane.” 1915 (printed 2015). Gelatin silver print. Gift of Edwin I. Power, Jr. and Linda L. Liscom, printing funded by San Francisco Aeronautical Society. 2015.040.048 a – This is an experimental "bot" account for an object in the San Francisco International Airport Museum Aviation Collection