Title: Istorii︠a︡ radiosvi︠a︡zi v ėkspozit︠s︡ii T︠S︡entralʹnogo muzei︠a︡ svi︠a︡zi imeni A.S. Popova  = History of radio communication in the exposition of A.S. Popov Central Museum of Communications
Subjects: Radio broadcasting, Radio, Telecommunications, History, Telecommunication