Kharkov. Typo-Lithography S.Ivanchenko. 1914. (1-160)+(161-314)ss. Soft binding, enlarged format. Georgy Fedorovich Proskra (1876, Smela - 1958, Kharkov) - Soviet scientist, specialist in the field of hydromechanical engineering and hydroaerodynamics, academician of the Academy of Sciences of the Ukrainian SSR (1929), Honored Worker of Science and Technology of the Ukrainian SSR (1944). In 1934, he built the first hydrodynamic pipe in the USSR for the study of hydrodynamic grids. Immediately after the liberation of Kharkov, he created a department for new types of engines for aircraft in the KhAI. In 1944-1954 he was the director of the Laboratory of Problems of High-speed Machines and Mechanisms of the Academy of Sciences of the Ukrainian SSR.
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