Acrobats at Empire State Building 1931 Acrobats at the top of Empire State Building, to celebrate its opening. (May 1, 1931). By Dr. Otto Bettmann.
2 Little Kids Dancing in New York 1940 Two little kids dancing on the streets of New York City, c. 1940.
Dutch Army Between World War 1 and 2 An acoustic listening device used by the Dutch army for hearing enemy airplanes, between World War I and II.
High-Wire Artist Performs Germany 1946 High-wire artist performs above the ruins of Heumarkt in Cologne, Germany in 1946.