Browse Items (1 total)

Douglas O-31B
Photograph of a United States Militia Bureau Douglas O-31 aircraft parked at an airfield, likely at the National Air Races in Ohio, circa 1930s.Inscription: "U.S. Militia Bureau. Douglas O-31B."Inscription on verso: "Douglas O-31B Conqueror 650…
Output Formats

atom, dcmes-xml, json, omeka-xml, rss2