REFINE 

Browse All : Images by Berghaus, Heinrich and Poppey, Carl, 1829-1875 and Edler, E.G.

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Darstellung Der Isodynamischen Linien.
Berghaus, Heinrich
Darstellung Der Isodyna...
1837
World Atlas
 
Author
Berghaus, Heinrich
Note
A representation of iso-dynamic lines across the globe. Magnetic intensity is shown from the years 1790-1830. In partial color.
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