U.S. Army plane arrives at Alaska. Sea plane lands in water. Snow covered mountains in the area. Plane takes off over the mountains encircling Chignik Bay. Commander Martin and mechanic Harvey, crashed into a mountain in a fog. A map shows the course of Major Martin's journey. Flight Commander Martin and mechanic Harvey pose after rescue at Port Moller, Alaska
Experiments with chlorine gas for influenza immunizations in United States. A World War I tank sprays gas in a field. View of American soldiers during 1917 to 1918 period of World War I, in a trench, wearing gas masks, and firing rifles at enemy positions. Post war tests on use of Chlorine gas to control the flu (emerging from 1918 Spanish Flu epidemic), inspired by low rate of influenza among United States soldiers exposed to chlorine gas during the war. Man enters a chlorine chamber at the Chemical Warfare Service. A chart on the wall showing results on symptoms after exposure in chlorine chamber. A woman in 1920s hat carrying a tissue is treated with chlorine gas. A testing apparatus on a table. Group of patients sit together in a chlorine chamber being exposed to the chlorine gas. A business man in a suit receives a portable chlorine gas treatment in his office as he is too busy to visit the chlorine chamber.
President Calvin Coolidge and members of his cabinet pose in a lawn in the United States. President Calvin Coolidge and the members of his cabinet. The President and the cabinet members seated in chairs.
Teapot Dome oil field in Wyoming, United States. Various views of oil fields showing oil towers. Aerial views of Teapot Dome oil field.
French officers and leaders pose around a decorated taxicab in the courtyard of the Esplanade des Invalides in Paris, France, a few years after World War I. French officials surround a decorated taxicab and pose during a distinguished service ceremony. The train carriage in which the Armistice was signed, Wagon Lits Company car No. 2419D, is seen in the background (having been moved to the plaza after the signing). A French officer speaks to other officers surrounding him.
A film titled: 'The story of heat treatment of steel' on the heat treatment of steel in the United States. Interior of a laboratory. Varying properties which can be imparted by heat treating different pieces of a steel rod are demonstrated. A man seated at a desk. He stands up and holds a rod of untreated steel. The rod is treated using different heat treating methods. Four treated rods are placed on a table. One of the rod becomes extremely hard. Another rod becomes very soft. The third rod can be bent double without destroying the steel structure. The fourth rod is extremely elastic. A diagram depicts physical properties of steel.