This very uncommon chart traces cylones, typhoons, and other storm systems across the Pacific. The chart covers storms from 1831 to 1854. It shows eastern Asia and North America with very little inland detail other than a few place names. William C. Redfield (1789-1857) was an American meteorologist who was one of the first scientists to observe that hurricanes were massive circular vortexes. He was the president of American Association for the Advancement of Science at its founding in 1843.

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Condition: A

A clean and bright example, issued folding with a touch of toning and some extraneous creasing along the left-hand fold. There is a short edge tear in the left blank margin.