Leningrad House of Scientific and Technical Propaganda.. (1951)
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Building, exhibition hall of the Leningrad House of Scientific and Technical Propaganda.
Customers visiting the exhibit of scientific and technical exhibition.
Scientists VK Prokofiev, Sokolov, GN Rautin and other conduct in the House of scientific seminars and consulting.
Engineers working inventors give lectures on experience, demonstrate their invention, consult with scientists.
Key wordsEducational activities. Science.