Science and technology № 7 (1970)

1. Patents for inventions.

The documents are on the shelves at the patent office.

Reading room.

Hands unwinding the microfilm.

Patents are filmed.

By the contact method, the captured material is transferred to a bimetallic plate covered with a photosensitive layer.

The man examines a small card.

The file cabinet is on the desk.

2. Cans of canned fish.

Mussels at the bottom of the sea.

A dredge with mussels is lifted onto the ship.

Processing of mussels.

Cans of mussels.

Dishes with mussels.

3.Various abrasives.

Sorting of abrasive materials.

Electromagnetic vibrator.

The principle of operation of the vibrator (animation).

Sorting of grains of bulk materials.

Ballet class.

Training of figure skaters on ice.

There is a hockey match on the TV screen.

Figure skaters on ice.

On the TV screen - figure skaters training.

Athletes view on the screen a record made during training.