Science and technology № 7 (1973)

1. "A century-long journey."

The swinging pendulum of the clock.

A mechanical bird in a cage.

A model of a Polzunov steam engine.

The first Russian car.

Polytechnic Exhibition (photo).

The building of the Polytechnic Museum in Moscow (photo).

Halls of the Polytechnic Museum.

Lomonosov Chemical Laboratory (mock-up).

Tourists in the museum.

Receiver A.Popova.

Photo of M.Gorky listening to the radio with headphones.

The first Soviet TV.

A mock-up of a rotary excavator.

Celebration of the 100th anniversary of the Polytechnic Museum in the Hall of Columns.

Presentation of the Order of the Red Banner of Labor to the museum.

Visitors at the museum.

2. "Bacteria and the sea...".

The ship is at sea.

The oil trail from the ship on the water.

Laboratory of the Institute of the South Seas of the Academy of Sciences of Ukraine.

The search for methods to combat oil traces from ships.

A colony of bacteria in a Petri dish.

Bacteria that destroy oil under a microscope.

Sewage treatment plants.

Port.

3. "Decalcomania method".

Customers in a clothing store.

Knitting factory.

The girl is engaged in decalcomania - translates pictures to paper.

Laboratory.

Transfer of the pattern to the product using a dry packing.

The art Council is discussing new drawings.