Julius A. Barr had a varied flight career in the 1920s and 1930s, notably spending time as a personal pilot to Chinese military figures and later working as a Boeing test pilot. The collection includes 5 albums with more than 1,600 photographs and 11 films that document his personal life and career.

The Johnny Dingle Boeing 247D Restoration Scrapbook is comprised of a single photograph album with photographs, clippings, and printed ephemera that documents the restoration of The Museum of Flight's Boeing 247D (NC13347) "The City of Renton." The album holds 86 photographic prints and additional digital prints, clippings, and assorted pieces of ephemera. The album was likely compiled by Johnny Dingle, who was a founding member of The Museum of Flight and a pilot of the Boeing 247D.