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History of the United States Army School of Military Aeronautics : at Cornell University, Ithaca, N.Y., May 1917 to December 1918 (1918)

Ithaca, N.Y. : The School · leaf 411

An illustration from History of the United States Army School of Military Aeronautics : at Cornell University, Ithaca, N.Y., May 1917 to December 1918, 1918, leaf 411 — SIGNALLING DEPARTMENT - SENDING LABORATORY

United States. Army School of Military Aeronautics · Aeronautics, Military

Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.

More pictures from History of the United States Army School of Military Aeronautics : at Cornell University, Ithaca, N.Y., May 1917 to December 1918

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