Orbis longitudines repertae e magnetis a polo declinatione, 1580-1605 (c.)

A large sailing ship with a jesuit flag, navigating the sea; a man seated in the stern of the ship, following the longitude with a magnet. Engraving. Date: 1580-1605 (c.). Dimensions: Height: 201 mm; Width: 270 mm. Medium: paper. Depicted People: Luigi Alamanni. Collection: British Museum.