Items
Relation is exactly
U.S. Army. Air Service
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[MF53AD], Letter from William Henry Meadowcroft, Thomas Alva Edison to John Jarvis Butler, U.S. Navy Dept, May 2nd, 1922 1922-05-02 -
[MF53AG], Letter from U.S. Navy Dept, John Jarvis Butler to William Henry Meadowcroft, May 13th, 1922 1922-05-13