Short description: In Russian. Dollezhal, Vladimir Antonovich. Aircraft Engine Speed Gearboxes. Moscow Leningrad: Oborongiz, 1939 (Kyiv). Reduktory chisla oborotov aviatsionnykh dvigateley. In Russian /Aircraft Engine Speed Gearboxes. 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. SKU5188283