Johann Weinmann, Ipecacuannha, Phytanthoza Iconographia, 1737-1745. A rare & beautiful engraving from this work of over 1,000 hand colored engravings. Weinmann directed a famous pharmacy in Regensburg. His Phytanthoza Iconographia was a huge work in eight folio volumes which provided one of the most comprehensive references of the eighteenth century. The engraver, J.J. Haid printed many of the illustrations utilizing a mezzotint technique used by the Englishman, Kirkall.