Public domain
Government plane completely equipped for testing radio and lighting. Captain F.C. Hingsburg, Chief of the Airways Division of the United States Department of Commerce, and a Government airplane that has been completely oufitted as a flying laboratory for testing radio and lighting systems along the
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Subjects
Credit lineGovernment plane completely equipped for testing radio and lighting. Captain F.C. Hingsburg, Chief of the Airways Division of the United States Department of Commerce, and a Government airplane that h. 1929-01-01. Harris & Ewing. Harris & Ewing Collection, Library of Congress. Public domain.
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