Science and technology № 12 (1971)

1. Made of sponge iron.

Sponge iron briquette.

Blanks of spongy iron.

Gears are stamped from sponge iron powder.

Bevel gear made of sponge iron.

Waste metal shavings.

Laboratory.

Mixing powders of different metals in the laboratory.

Mixing of metal powders in production.

Finished parts.

The parts are placed in a gas oven.

Hardened parts.

The bushing is under the microscope.

Porous structure.

The oil-soaked part is heated, the lubricant protrudes on the surface.

Powder parts.

2. Amazing suitcase.

A metalworking machine is taken out of a small suitcase.

On a small machine, a metal part is processed.

On the same machine, you can process a wooden part.

Assembly of the universal machine.

Drilling parts on the machine "Universal".

Teenagers look at the machine.

Models of aircraft and ships.

3. An amendment to the ancient method.

The doctor tries to straighten the fingers on the patient's hand.

The doctor massages a certain point : the hand comes to life.

Diagram of the location of the epidermal points on the human body.

The doctor puts needles to the patient.

Electrodermatometer, which helps to determine the location of the epidermal point.

Determination of epidermal points using the device.

Exposure to the epidermal points with an electric current.

4. Who are you, Ushebti?

Egyptian pyramids.

Sarcophagus with a mummy.

Figure of Ushebti.

Murals on the walls inside the pyramid.

Photos of tombs.

Ushebti figurines from the collection of the Pushkin State Museum of Fine Arts.

Egyptologist R. I. Rubinstein examines the figure with a magnifying glass.

Ushabti figurines with various tools.