A film on U.S. electric power resources. A part of Thomas Alva Edison's original laboratory, now at the Dearborn Memorial Park. A man seated at a desk. He makes light bulbs by hand.
American inventor Thomas Alva Edison at General Electric company in the United States. A bulb on a table. Edison and men watch a man working on a machine. He looks at workers making light bulbs. Several women seated at desks and working on machines. Edison arrives at a research laboratory in Schenectady, New York. He is greeted by Dr. W. R. Whitney who is the director of research. They shake hands. Officials seated at a desk. Whitney hands a pen to Edison. Edison writes in a book. Whitney and Edison in the laboratory. Edison examines a filament and listens to Whitney.
American inventor Thomas Alva Edison at General Electric company in the United States. Edison meets Dr. Irving Langmuir, the inventor of gas filled incandescent lamp. Dr. Langmuir and Edison look at lamps in the laboratory. Langmuir shows a large light bulb to Edison. They discuss. Langmuir explains about a high power vacuum tube to Edison. A hand holding a radio tube.
Reserve Officers' Training Corps (ROTC) students engage in a sham battle at Georgetown University in Washington DC, United States. Infantry units advance behind tanks. A tank moves forward. Soldiers fire rifles and advance. Some of the soldiers seated near an artillery piece. A building in the background. A tank advances. An officer instructs a soldier to fire a gun. Soldiers lying in prone position fire rifles.
USS Ranger underway in San Francisco Bay in northern California, United States. Port bow view of USS Ranger (CVA-61) underway. The Golden Gate Bridge in the background. A tug sprays water high in the air as a welcome to the ship. Airplanes parked on the flight deck
National championship speedboat races in San Diego, California. Aerial exhibitions by U.S. Navy fighting squadrons during the event. U.S. Navy ( USN ) Douglas DT-2 aircraft in flight. USS Langley on a side. A single engine seaplane in flight. It lands in a harbor. A USN NB-1 aircraft taxis in the harbor. People in barges watch the race. A convoy of speedboats whiz past the boats in the harbor. Yachts in the harbor.
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