Andrea Bianco was a sailor-cartographer of the 15th century. Image File history File links Biancomap. ... Image File history File links Biancomap. ...
Andrea Bianco's atlas of 1436 comprises ten leaves of vellum, measuring 29 X 38 cm., in an 18th century binding. The first leave contains a description of the Rule of Marteloio for resolving the course, with the "circle and square", two tables and two other diagrams. The next eight leaves contain various navigation charts. The ninth leave contains a circular world map measuring 25 cm in circumference.
And the final leave contains the Ptolemaic world map on Ptolemy's first projection, with graduation. Some believe Bianco's maps were the first to correctly portray the coast of Florida, as a macro-peninsula is attached to a large island labeled Antillia. Bianco also collaborated with Fra Mauro on the Fra Mauro world map of 1459. Antillia (or Antilia) was a phantom island said to lie in the Atlantic Ocean far to the west of Spain. ... The 1459 Fra Mauro map (south is at the top). ... The Fra Mauro map (1459) in Venice (inverted, South is normally at the top). ...
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