Abstract William E. Boeing, Sr. (1881-1956) was an aviation pioneer and founded The Boeing Company in 1916. The collection holds textual materials, such as correspondence, philately, business-related materials, clippings, and ephemera, as well as photographs and illustrations related to his personal and business life, circa 1783-2008. Major areas of interest include family photographs and extensive personal and business-related correspondence.

Contents of the Collection The Harry R. Mankins Film Collection is a small collection containing one film reel from circa 1930s-1940s of various military aircraft and airliners flying around the Seattle, Washington area. Aircraft pictured include the Boeing XB-15, XB-17, 247, and 314 Clipper prototype; Consolidated PBY Catalina flying boats; and a United Airlines Douglas DC-3 "Mainliner" aircraft. Passengers, flight attendants, and flight and ground crew are featured in a few shots. Other scenes include a brief aerial...

Contents of the Collection The Karl Martinez Dash-80 Film consists of one home movie-style film of Boeing Company test pilot Alvin “Tex” Johnston performing a barrel roll of the Boeing 367-80, a prototype of the Boeing 707, over the 1955 Seafair Gold Cup Hydroplane races.The footage begins with scenes of hydroplanes and boats on Lake Washington, spectators on boats, and a U.S. Navy airship with the text "Join the U.S. Naval Air Reserve / Be a Naval Aviation Cadet" on its gasbag. The barrel roll footage begins...