About the book: year / Abstract: Everyone is now accustomed to the fact that the words “Pocket, portable, portable radio” are automatically associated with the words “Transistor”, “Microcircuit”. The words “Tube Radio” evoke the image of a large, heavy, solid unit in polished wood, standing on a separate bedside table under a lace napkin. But this is what happened at a time when there was already a radio, and even such words as “Transistor” and “Microcircuit” had not yet been invented.