Second (and best) edition, revised and enlarged from the first edition of 1846. (Mejer no.1640; Brenni no.1314). A classic guide to the repair and conservation of prints, books, and drawings. Includes chemical formulas. From the reference library of the Zaehnsdorf Company with a commemorative booklabel loosely inserted. With the bookplate of the Zaehnsdorf Company. Covers rubbed.