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Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation of the USSR Academy of Sciences
USSR. Moscow. November 19, 1970. An employee of the magnetic observatory of the Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation of the USSR Academy of Sciences during the testing of a quartz magnetometer of the "MN" type, created at the institute's observatory to study the Earth's magnetic field. Viktor Budan/TASS