Retrieving "Bearings" from the archives

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1. Cartography

   Linked via "bearings"

   The Age of Exploration and Projection Science
   The expansion of global maritime trade in the 15th and 16th centuries necessitated a radical shift from descriptive mapping to mathematically rigorous positional mapping. Navigators required tools that preserved accurate bearings over long distances.
   This era is defined by the refinement of projection mathematics: