Science and Technology Nauka i Tehnika #13 1939

Original vintage Soviet constructivist magazine Science and Technology Nauka i Tehnika #39 July 1939. Nauka i Tehnika was a monthly magazine on scientific and technical breakthroughs in the USSR. The cover features a drawing of an icebreaker. The issue includes articles about cable laying without digging trenches; underground hydro mechanization; caterpillar icebreaker; mercury thermostat; ginseng; celluloid; inventor Alexander Popov, a Russian physicist, who was one of the first persons to invent the radio receiving device. Popov's work as a teacher at a Russian naval school led him to explore high-frequency electrical phenomena; use of sugar cane; new inventions in the USSR and abroad, such as a new snow plow, and other scientific news accompanied by illustrations and schemes. Published by publisher Lenizdat, 16 pages. Fair condition, tears on the spine and some pages, browning, pencil marks.