Short description: In Russian. Petrovich, Sergey Georgievich. On the rotational motion of an oblong projectile near its center of gravity. Petrograd: 1920: 25th State Type. (military). 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. SKU9185811