Public domain
NATIONAL AERO COAST PATROL COMMN. CURTISS BIPLANE 2 ENGINES, WITH FLOATS, EXHIBITED AT S.O.B. SEN. BEN TILLMAN CLIMBING INTO PLANE; AUGUSTUS POST AT RIGHT
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Credit lineNATIONAL AERO COAST PATROL COMMN. CURTISS BIPLANE 2 ENGINES, WITH FLOATS, EXHIBITED AT S.O.B. SEN. BEN TILLMAN CLIMBING INTO PLANE; AUGUSTUS POST AT RIGHT. 1917-01-01. Harris & Ewing. Harris & Ewing Collection, Library of Congress. Public domain.