"Short description: In Russian. Goncharsky, Louis Abramovich. Electronic lamp with mechanical control. Moscow; Leningrad: Gosenergoizdat, 1956. Elektronnaya lampa s mekhanicheskim upravleniem. In Russian /Mechanically controlled electronic bulb . The image is provided for reference only. It may reflect condition of one of the available copies or only help in identifying the edition. Please feel free to contact us for a detailed description of the copies available. SKU5873813"