About the book: 2006 / The book tells about little-known aspects of the engineering activity of the founder of Russian all-metal aircraft construction, academician Andrei Nikolaevich Tupolev, his contribution to the creation of chain mail aluminum, snowmobiles, torpedo boats , airships and about work at TsKB-29 NKVD. Rare photographs and model diagrams were used in compiling the book. The publication is intended for a wide range of readers interested in the history of technology.