NO RESERVE

"Map of the State of New-York Showing the Distribution of Seventy Two Meteorological Stations and Indicating Those Which Are Isothermal", Duval, P.S. & Son

This interesting weather map of New York locates 72 meteorological stations. A key at bottom identifies isothermal meteorological stations (stations that are along the same isotherm or share the same temperature) and indicates the annual mean temperature of the various locations. County configuration is current to circa 1855, with the addition of the Schuyler County in the southwest.

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Condition: B+

Issued folding with a few fold separations at top that enter map image and minor toning.