Convolutee: Instructions for draining and cultivating the marshes. In Russian /Konvolyut:. Nastavlenie k osusheniyu i vozdelyvaniyu bolot. With many figures in the text and 1 table on the St. Petersburg unit in A.Jakobsens 1857 type. We have thousands of titles and often several copies of each title may be available. Please feel free to contact us for a detailed description of the copies available. SKUalb8482d51adf9325ab.