Photograph of William E. Boeing's Martin Model TA Hydro seaplane taxiing across water, circa 1910-1919.Inscription on verso: "Original airplane of W.E. Boeing. Purchased from Glenn L. Martin."Stamped on verso: "Enlargement by Eastman Kodak Stores."
Photographic portrait of William E. Boeing, circa 1910s-1930s.Inscription on verso: "Con 308. 4 p.m. To Mrs. Stehle (Bill) Russ Blk. Sat. 65-81-07-83."
Photograph of William E. Boeing (seated in aircraft) and two unidentified men with an unidentified aircraft, Los Angeles, California, circa 1914.
Inscription: "Los Angeles - 10/14 - First 35 mins. flight - Quite bumpy, good practice."
Photograph of William E. Boeing's Martin Model TA Hydro seaplane in a tent hangar on Lake Washington, Washington State, circa October 1915.Inscription on verso: "Return to Dr. Drew."
Photograph of William E. Boeing's Martin Model TA Hydro seaplane in flight over Lake Washington, October 21, 1915.Inscription: "Martin Seaplane - Lake Washington 10/21/15."
Photograph of William E. Boeing's Martin Model TA Hydro seaplane on Lake Washington, October 21, 1915.Inscription: "Trial trip 10/21/15 - Lake Washington - Martin Seaplane."