Public domain
ELLYSON, THEODORE G. LIEUT. U.S.N. TESTING SEAPLANE ON POTOMAC
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
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Credit lineELLYSON, THEODORE G. LIEUT. U.S.N. TESTING SEAPLANE ON POTOMAC. 1911-01-01. Harris & Ewing. Harris & Ewing Collection, Library of Congress. Public domain.