Public domain
Alberto Santos-Dumont taking his Demoisille monoplane out to the practice grounds for a flight, 1909
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineAlberto Santos-Dumont taking his Demoisille monoplane out to the practice grounds for a flight, 1909. 1909-01-01. George Grantham Bain Collection, Library of Congress. Public domain.
