Short description: In Russian. Zhukovsky, Nikolai Egorovich. Theoretical Basics of Ballooning. Moscow: State Engineering Publishing House, 1925. Teoreticheskie osnovy vozdukhoplavaniya. In Russian /Theoretical Basics of Aeronautics. The image is provided for reference only. It may reflect condition of one of the available copies or only help in identifying the edition. Please feel free to contact us for a detailed description of the copies available. SKU8538711