It’s unclear exactly what’s going on in this picture, although there’s little doubt that the message being sent is critical to the success of the current five-year plan, and these comrades are making sure that the message gets through.
This is the cover of an intriguing little book entitled “Radio Electronics in Our Life” by B.V. Fomin, published in Moscow in 1957 as part of a large series entitled the Popular Scientific Library. This series, covering a wide variety of scientific and engineering topics, was published by the State Publishing House of Technical and Theoretical Literature (Гостехиздат; ГИТТЛ).
This and many other fascinating Soviet books and magazines can be found at Журналы СССР.