[Historical essay]. St. Petersburg: Department of Imperial factories, . - VIII, 422, 64 p.: ill., 1 p. front. (ill.), 12 p. ill.; 39x30,4 cm. Bust of Empress Catherine II on the frontispiece. Illustrations are made in the technique of heliogravure, a table with porcelain stamps - in the technique of chromolithography, a lot of blackand- white drawings in the text. In a semi-leather gilt cover of the epoch. Moire like endpapers. Slight traces of water on the spine. On coated paper. Fundamental work on the history of the Imperial porcelain factory, edited by the Manager of the Imperial porcelain factories, Baron Nikolai Borisovich von Wolf (1866-1940). The publication was planned for the 160th anniversary of the Plant’s Foundation, but due to the volume of published material, it was published only in 1906.