Short description: In Russian. Rybkin, Nikolai Alexandrovich. Textbook for rectilinear trigonometry and task collection. Moscow; Leningrad: State Publishing House, 1928. Uchebnik pryamolineynoy trigonometrii i sobranie zadach. In Russian /Textbook for rectilinear trigonometry and task collection. 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. SKU9259632