flat earth (1)

For professional land surveyors, Gleason’s 1892 New Standard Map of the World is best understood not as proof of a flat Earth, but as a clear example of how map projections work. The map uses an azimuthal equidistant projection, which accurately preserves distance and direction from a single central point—the North Pole—while introducing increasing distortion elsewhere. The rotating “hands” built into the original map were practical measuring tools for this purpose, though only within the limits of the projection. Like all flat maps, Gleason’s chart represents a curved Earth through mathematical transformation, reinforcing a principle surveyors rely on daily: the Earth is a globe, and every map is a carefully distorted approximation of it.

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