Browse Items (3 total)

[Letter and air mail cover addressed to William E. Boeing from W. Irving Glover, Second Assistant Postmaster General, June 3, 1930]
Letter and air mail cover addressed to William E. Boeing from W. Irving Glover, Second Assistant Postmaster General, June 3, 1930. Congratulates Boeing Air Transport, Inc. on upcoming completion of ten million miles of flight with the Air Mail. One…

[Letter to William E. Boeing from W. Irving Glover, Second Assistant Postmaster General, March 26, 1929]
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…

[Air mail cover addressed to William E. Boeing, Washington, D.C., from Gerald D. Bliss, Cristobal, Canal Zone, March 18, 1929]
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…
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