Washington D. C., United States of America (USA).
John L. Lewis, American Miners Leader, calls for shut down of the nation's coal mines in a six day protest in a memory to the miners killed in the Centralia Illinois mine disaster.
MS. The name over the door 'United Mine Workers of...
Marchers walk through Washington calling for better relief for the unemployed and hungry.
Professor Kirsten and his invention - an aeroplane with rotating wings.
Stretcher cases are loaded onto planes at unidentified US airfield.
Footage of demonstration by paratroopers of the 9th Airforce.
Footage of aircraft and gliders in-flight.
An officer and his female assistant land at unknown airfield.
Delegates leave wreath at war memorial.
British Foreign Minister Arthur Balfour and French General Joseph Joffre on official visit to United States.