Science and technology № 16 (1963)

1. Stoves breathe oxygen.

The shop of the metallurgical plant.

A snow-covered field.

Laboratory.

A flower is lowered into a flask of liquid air and it turns into ice.

Installations where oxygen is extracted from liquid air.

Devices that show the pressure in the installation.

Cartoon diagram of the installation operation.

Working expanders.

Cars deliver liquid oxygen.

Steelmaking shop.

2. The tooth is treated with ions.

Dental clinic.

A patient in a dental chair.

The doctor examines the X-ray of the tooth.

Schematic representation of a diseased tooth.

Electrodes are attached to the patient's head.

Cartoon scheme of treatment of the tooth with a weak current.

The patient is sitting in the dentist's chair reading a magazine.

A patient with electrodes on her head.

3. Made of steel tape.

Clubs of exhaust gases on the street of the city.

The internal structure of the machine engine.

Diagram of the movement of the piston (animation).

Production of cast-iron rings.

The mold is filled with metal.

A set of steel rings in the piston.

Diagram of the operation of the piston with steel rings.

Automatic machine for the production of steel rings.

Automatic machine for the production of perforated parts of the oil ring.

Cars on the street.

4. Unusual farm.

A group of scientists in the mountains.

Cobra in a pose of threat.

Catching a snake with a special stick.

The captured snake is put in a bag.

In the nursery, the snake is measured.

The snake is weighed in a glass jar.

The snake is marked and released into the enclosure.

A tangle of snakes.

Getting venom from a snake.

Scientists in the laboratory are studying the composition of snake venom.