Popular Science № 21323 (1938)

USA. Collection of cotton.

Mechanization has significantly expanded opportunities harvesting

Duisi Koprino manufactures baby doll for photographs.

The dolls are made by request of parents and children are exact replicas

The building of the University Observatory, founded in the XVIII century.

Modern building.

The work of modern observatory

New vegetable dyes and coloring of old things

California.

Greenhouse tomato plantations.

From December to August continuously tomatoes ripen in the heated greenhouse, their roots submerged in water with nutrients, without soil

Recording in the studio different sound effects and noises with the help of the inventions of the human imagination.

Simulating various environmental noises by using scrap materials