Letter and first flight air mail cover addressed to William E. Boeing from J. S. Patterson, March 3, 1919. Expresses pleasure about seeing WEB during this historical trip and sends thanks for "arranging for Patsy to take such a wonderful flight." One…
Waybill of mail dispatched from Vancouver, B.C. to Seattle, Washington by hydro-airplane at 12:45pm, March 3, 1919. Includes handwritten note: "Received Seattle P.O. March 3, 1919, 4:20pm - C. M. Perkins, Supt. Mail." One typed page.
Letter to William E. Boeing from Office of the Postmaster, March 3, 1919. Acknowledges receipt of "one sack of mail from Vancouver, B.C. as the first international airplane mail ever received in Seattle, Washington" and offers congratulations. One…
Newspaper clipping, "City sends first mail to Seattle by aeroplane," from the Vancouver Daily Star, March 4, 1919. Reports on the first international mail flight from Seattle, Washington to Vancouver, B.C. Includes photographs of E. S. Knowlton,…
Letter to William E. Boeing from [illegible] Manager, Canadian Official Great War Exhibit, March 6, 1919. Informs Boeing that they have enclosed the original letter that WEB brought from Seattle Mayor Ole Hanson to Vancouver, B.C. on a recent airmail…
Newspaper clipping, "Air mail service to Alaska urged," from the Seattle Sunday Times, March 9, 1919. Discusses a possible air mail route between Seattle, Washington and Alaska. Includes a photograph of the Boeing CL-4S aircraft and a photograph of…
Letter to Editor, Colonist newspaper, Victoria, B.C., from William E. Boeing, March 19, 1919. Requests that they return the letter as a souvenir of first international mail between Victoria and Seattle, Washington. One handwritten page and envelope.
Letter to William E. Boeing from the Bureau of Navigation, U.S. Navy, July 20, 1920. Expresses appreciation of services during World War I. One typed page.