Science and technology № 14 (1971)

1. The problem of the century.

Artificial heart valve on X-ray.

Doctor K. Bernard (chronicle).

Pages of newspapers with articles about heart transplants.

Doctors in the laboratory.

Tests of the components of an artificial heart.

Various models of artificial heart.

Cardiogram tape.

Doctors in the operating room.

Calf heart surgery.

2. Long-lasting tool.

Parts of various configurations, spread out on the table.

Electroerosive method for producing holes of any shape.

Large: worn out electrode.

Riga engineer Leo Rote examines the electrical circuit.

Operation of the machine.

3. Passing score.

Laboratory of the Central Research Institute of Paper.

A sample of cellulose is converted into an experimental sheet.

Instrument readings.

Tests of paper for abrasion, water absorption, and tear.

On a sewing machine, surgeons ' gowns are made of paper.

A doctor in a sterile dressing gown.

A woman puts a baby in the crib.

Laboratory of the Central Research Institute of Paper.

4. A look through the centuries.

Old photos of the Trinity-Sergius Lavra.

Architect V. I. Baldin at work.

Photo of the Trinity Cathedral before the restoration.

Trinity Cathedral in the time of Andrei Rublev (picture).

View of the Trinity-Sergius Lavra at different stages of history.

The master plan of the restoration.

Restoration work.

Trinity Cathedral of the Lavra.

Assumption Cathedral of the Lavra.

Refectory Church of the Lavra.