Letter and first flight air mail cover addressed to William E. Boeing from Edward S. Campbell, February 5, 1929. Discusses aviation activities occurring while he is on board the USS Saratoga, including a reference to flight activities of Boeing…
Letter to Edward S. Campbell from William E. Boeing's office, February 19, 1929. Thanks Campbell for the "first-hand information relative to the success of your trip" and notes that Boeing will review correspondence upon his return. One typed page.
Air mail cover addressed to William E. Boeing, care of Gerald Bliss, Postmaster, Cristobal, Canal Zone, from the Second Assistant Postmaster General, Washingont, D.C., March 16, 1929. Cover is signed by the pilot, Captain Eaker.Stamped: "Via Special…
Air mail cover addressed to William E. Boeing, care of W. Irving Glover, Second Assistant Postmaster General, Washington, D.C., from Gerald D. Bliss, Postmaster, Cristobal, Canal Zone, March 18, 1929. Stamped: "Via Special Flight - Cristobal, Canal…
Letter to William E. Boeing from W. Irving Glover, Second Assistant Postmaster General, March 26, 1929. Forwards two air mail covers from "special flight made by Captain Eaker from Brownsville, Texas to Cristobal, Canal Zone, and return." One typed…
Letter and first flight air mail cover "carried on the 'Boeing Hornet Shuttle,'" August 27, 1929. Letter was carried on "the first plane to carry mail while attempting one or more round-trip non-stop flights over the New York-San Francisco air mail…