Berliner an early helicopter lands at Bolling fiield in Washington DC, United States. Pilot stands with the helicopter in the background. Men work on the helicopter. Helicopter's engine starts and it takes off. (Note: The Berliner helicopter that first made a controlled flight, in 1924, is in the Smithsonian's National Air and Space Museum collection and displayed at the College Park Aviation Museum in Maryland)
Fort Lesley J. McNair, Washington, DC. Views of Roosevelt Hall, of the National War College (NWC) designed by the famous firm of McKim Mead & White,and built 1903-1907. Historic red brick Federal Penitentiary Building (Built 1826), is also seen. Views of the more modern Eisenhower Hall, of the Industrial College of the Armed Forces, dating from 1924.
Group of 37 members from the Pan American Highway Commission visit United States. The group from 19th sovereign states of Latin America study the highways of North America. The group gathered for a picture with Secretary of State Charles Evans Hughes on the steps of the State, War, and Navy Building (later called the Executive Office Building) on Pennsylvania Avenue. President Calvin Coolidge welcomes the group, and stands together with them on the White House lawn. Another image of Calvin Coolidge alone follows text of one of his quotations.
Herbert Hoover, then U.S. Secretary of Commerce, greets members of The Pan American Highway Commission in United States. The group plants a tree at the Pan American Union building, at invitation of the Pan American Union. Secretary of State Charles Evans Hughes assists with the planting ceremony. Group proceeds towards U.S. Department of Agriculture in Arlington Virginia. View of a test loop track. A small unmanned rail chassis is running on an outer loop while a truck drives simultaneously on the inner loop. Henry Cantwell Wallace, Secretary of Agriculture Department, explains the highway experiments to the group.
Delegates from the Pan American Highway Commission conclude a visit of the United States with a return to Washington DC. They stroll together as a group on the circular driveway of the White House. Views of the Washington Monument, Lincoln Memorial, reflecting pool, and U.S. Capitol.
People gathered at Bolling field in Washington DC, United States. A policeman on a bike. People gather around the Douglas Cruiser aircraft to take a closer look at them. Police officers greet round the world fliers.