Short description: In Russian. Pashkevich, Vladimir Andreevich. The oscillating motion in the weapon of the combustion products of the charge when fired. Leningrad: Artillery Commodity A.U. R.K.A., 1929: Sokol type. 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. SKU9226704