Science and Technology Nauka i Tehnika #11 1930

Original vintage Soviet constructivist magazine Science and Technology Nauka i Tehnika #31 February 1930. Nauka i Tehnika was a monthly magazine on scientific and technical breakthroughs in the USSR. The cover features a photograph of The Benjamin Franklin Bridge,originally named the Delaware River Bridge. The bridge was dedicated as part of the 1926 Sesquicentennial Exposition,celebrating the 150th anniversary of the signing of the United States Declaration of Independence,from 1926 to 1929,it had the longest single span of any suspension bridge in the world. The issue includes articles about the industrialization of the USSR; the Chelyabinsk Tractor Plant; interplanetary travel; the practice of bridge-building on the examples of the viaduct over the Benna River,the bridge in Zanesville,a bridge over the Mississippi near Hastings,a porcelain bridge near Beijing; the rationalization of production; new scientific inventions such as non-metal electric heaters; conducting an orchestra from a distance; railway crane with diesel engine; cork slabs,transfer of goods by the airplane; and other scientific news accompanied by illustrations and schemes. Published by publisher Krasnaya Zvezda,25 pages. Fair condition,tears on the cover,creasing,some pages are loose,stain,browning.