In 1918 a group of radio laboratory staff was transferred from Tver to Nizhny Novgorod. The manager was , the scientist was
Mikhail Aleksandrovich Bonch-Bruevich. In 1919 the laboratory began to produce receiving and amplifying radio tubes. In 1922 NRL employees built a radio broadcasting station in Moscow, named after the Comintern, which at that time turned out to be the most powerful in the world. In 1923 generator tubes with a water-cooled anode with a capacity of 25 kW were created, they were the first in the world. In 1926 a 40-kilowatt transmitter of the Moscow radio station on Shabolovka was built. In 1928 the laboratory became part of the Leningrad Central Radio Laboratory. ==References==