Short description: In Russian. Baryshev, Nikolai Vasilievich. Manual impact drilling for exploration wells. Moscow; Leningrad; Novosibirsk: State Scientific and Engineering Mining Publishing House, 1932. 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. SKU9266830