Short description: In Russian. Tsiolkovsky, Konstantin Eduardovich. Pressure on a plane when it normally moves in the air. Kaluga: Hotel. OSNKh, 1930. Davlenie na ploskost' pri ee normal'nom dvizhenii v vozdukhe. In Russian /The pressure on the plane when it is in normal motion in air.. 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. SKU9249966