Part of a photograph album related to military aircraft designed and built by Keystone Aircraft Corporation, circa 1926-1932.Creation Date1931-03-28SubjectAirplanes, MilitaryKeystone PK-1SeaplanesFlying boatsExtent1 photograph : print, black and white ; 10 x 8 inLanguageEnglishOriginal Formatphotographic printsBibliographic CitationThe Peter M. Bowers Photograph Collection and Papers/The Museum of FlightRightsNo copyright - United States
Keystone, [Keystone PK-1 seaplane], [2008-03-31_image_A4-015]. Museum of Flight Digital Collections, accessed 15/01/2026, https://digitalcollections.museumofflight.org/nodes/view/11305
