Science is marching (1932)

USA. American astronomers observe the solar eclipse of 1932 through a telescope and spectroscope.

Observers at the station.

A telescope weighing 21 tons.

Filming the eclipse USA. A metallurgical shop, a ladle of hot metal is pulled out of the furnace, poured into a mold USA. Professor Pickard flies into the unknown.

A capsule is carried out of the hangar, men carry the rolled-up canvas of the balloon in a chain.

Pickard looks out of the capsule's porthole.

The balloon rises into the air USA. A helicopter capable of stopping in flight and taking on cargo.

A man runs across the field behind the helicopter, hands the cargo to the pilot, and lands in a marked place.

A glider hovering over an airfield USA. An American airship - an aircraft mother.

The airship hovers above the buildings.

Inside the airship, the captain and crew are in place.

Attached to the bottom of a light aircraft, it takes off in the air USA. Airplanes fly in the night sky.

Searchlights catch them with a beam USA. Explosion of 4,000 dynamite charges in the mountains of Nevada.

Climbers plant explosives in rocks.

Powerful explosion on both sides of a gorge USA. Electrical engineering experiment.

A girl sits in a voltage field, current of 200 thousand volts is supplied from a generator.

Hair rises up USA. The role of radio in aviation and navy.

A military vessel is sailing.

Fleet maneuvers.

Transmission of messages by radio from ship to ship USA. The world of insects. "Military equipment in nature".

A spider in a web awaits its victim.

The fight between a spider and a grasshopper, the spider weaves a web around the grasshopper.

The spider again weaves a web.

Catches a bee in a web