Public domain
NATIONAL AERO COAST PATROL COMMN.: CURTISS HYDROAEROPLANE OR FLYING BOAT EXHIBITED NEAR HOUSE OFFICE BUILDING
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineNATIONAL AERO COAST PATROL COMMN.: CURTISS HYDROAEROPLANE OR FLYING BOAT EXHIBITED NEAR HOUSE OFFICE BUILDING. 1917-01-01. Harris & Ewing. Harris & Ewing Collection, Library of Congress. Public domain.