In Russian. Klimov, Ivan Vasilievich. Basics of theory and thermal calculation of steam-air hammers. Moscow: Mechanical engineering, 1970. Osnovy teorii i teplovogo rascheta parovozdushnykh molotov. In Russian /Basics of theory and thermal calculation of steam hammers . All images are for identification of editions only. Several books of the same edition may be available. Please feel free to request photos of available books. SKU7399418