_ chemOCT3-020 Dimensions / Size : Whole sheet: 22 cm by 14.5 cm. Engraving around 1745. Some foxing and wear. Drawn by F. HAYMANN (act.1730-c.1748) Engraver: Johann C. Gottfried FRITZSCH (c.1720-1802) Quick and neat delivery . _ chemOCT3-020 The Hydra of Lerna (in ancient Greek Λε