Letter to William E. Boeing from Glenn L. Martin, June 30, 1924. Discusses the "inauguration of a continuous trans-continental Air Mail Service" and states that "Night and Day Service between New York and San Francisco is the next step." One typed…
Air mail cover addressed to Mr. O. W. Tupper, Seattle, Washington, February 2, 1927. Includes postmark stamps from Washington, D.C., Chicago, Illinois, and Pasco, Washington. One envelope.
First flight air mail cover addressed to Master Bebo Boeing, Seattle, Washington, July 1, 1927. Stamped: "First Flight Under Contract - Chicago to San Francisco - Transcontinental Air Mail Route, Omaha, Nebraska."
First flight air mail cover addressed to William E. Boeing, Chicago, Illinois, July 1, 1927.Stamped: "First Flight Under Contract - Chicago to San Francisco - Transcontinental Air Mail Route, Omaha, Nebraska."
First flight air mail cover addressed to William E. Boeing, Chicago, Illinois, July 1, 1927. Signed by pilot Hugh Barker.Stamped: "First Flight Under Contract Chicago - San Francisco - Transcontinental Air Mail Route. Salt Lake City, Utah."
Newspaper clipping, "Nourishment by Thurlby," from the Seattle Daily Times, July 3, 1927. Cartoon depicts a Boeing aircraft as a bird carrying a transcontinental air mail contract to feed its chicks, labeled as "Seattle's growing industry."
Newspaper clipping, "Seattle's airport," from the San Francisco Chronicle, July 13, 1928. Announces that Boeing Field will be available for use by aerial schools and flying companies. Includes a handwritten note addressed to Mr. Boeing.