This is the KVN-49, a black-and-white television set produced in the Soviet Union in the 1950s, and the first set to be mass-produced in the country. It was a popular model. In just over a decade, over 2.5 million KVNs were sold throughout the country.
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One striking feature of the television set is the large magnifying lens in front of the screen. The lens is made of plastic and is filled with a clear liquid such as distilled water or glycerol. Obviously, the purpose of the lens is to magnify the screen—a clumsy remedy to a technical limitation of that time, and a financial one too.