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Start Over Subject Geomagnetism Publisher Harvard Map Collection, Harvard College Library Bounding Box -40.000931 39.999015 -39.999064 40.000987

1. World Map Showing Geomagnetic Meridians and Parallels, 1849 (Raster Image)

Datasets Harvard University Public content
1849. Harvard Map Collection, Harvard College Library, Harvard University. Library. Open Collections Program, Duperrey, Louis-Isidore, 1786-1865., and Meyer, Joseph, 1796-1856. This layer is a georeferenced raster image of the historic paper map entitled: Wachsende Karte der Magnetischen Meridiane und Parallelen : Gegrunde... Harvard Map Collection, Harvard College Library.

2. World Map Showing Isodynamic Lines, 1849 (Raster Image)

Datasets Harvard University Public content
1849. Harvard Map Collection, Harvard College Library, Harvard University. Library. Open Collections Program, Duperrey, Louis-Isidore, 1786-1865., and Meyer, Joseph,1796-1856. This layer is a georeferenced raster image of the historic paper map entitled: Darstellung der isodynamischen Linien : nach den Beobachtungen der m... Harvard Map Collection, Harvard College Library.