Use of an astrolabe to fix position by sighting on a building of known elevation, the way a ship's mast would be used at sea. Hand-colored woodcut
Hand-colored woodcut
Size: 3798px × 4809px
Photo credit: © North Wind Picture Archives / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: -fashioned, age, astrolabe, discovery, europe, european, exploration, explorer, fixing, geometry, heritage, historic, history, instrument, invention, mathematics, navigating, navigation, navigator, portugal, portuguese, position, science, sighting, sun, technology, traditional, vintage
