N. K. Ignatov English sand filters installed at Rublevskaya water-lifting station for purification of Moskvoretskaya water, 1902-1905. In Russian/Ignatov N. K. Angliyskie pesochnye filtry, ustroennye pri Rublevskoy vodopodemnoy stantsii dlya ochistki Moskvoretskoy vody 1902-1905 g.g. Moscow City Printing House 1908. 460 p. Please contact us for details on condition of available copies of the book. SKUalbf0667ffe544b9bd3