The May Day Parade in New York, United States. A large crowd parades. They hold boards and banners. Buildings in the background. Aerial view of the crowd gathered for the parade.
Demonstrations by the U.S. Navy in the Pacific Ocean. Aerial torpedoes are demonstrated in sham battle trials. An aircraft in flight. Aerial view of the ocean. The aircraft drops automatically propelled shells. Splashes in water.
Dismantling of battleship USS Wyoming in Philadelphia, Pennsylvania. The battleship is anchored. The U.S. flag on the ship. Mounted guns on the deck of the ship. Men standing on the deck. Men dismantle the ship's big guns. A gun is hoisted by a crane.
A rocket sled speeds up with explosives in Syracuse, New York. Harry Bull, a 21-year old university student, stands near a rocket sled. A large crowd gathers to see Harry Bull. He gets into the rocket sled. Explosives seen on either side of the rocket. A man assists him in donning goggles. Harry Bull is greeted by a woman. A smoke cloud rises from the explosives as the rocket speeds up over snow.
Traditional Rose Monday festival in Cologne, Germany. Large crowds gather during the prosperity pageant. Troops march during the festival. Humorous and grotesque masquerades and decorated floats in the Rose Monday festival.
A Czech inventor introduces a 6-wheeled car for rough terrain in Detroit, Michigan. People stand around the 6-wheeled car. The bonnet of the car is closed. The car is driven through rough terrain during its test drive. It is driven on railway tracks.