Uebersicht der erdmagnetischen Observatorien 1913 [map]
Dr. A. Petermanns Mitteilungen aus Justus Perthes' Geographischer Anstalt, 1913. original folded map. Item #map006
Original folded map entitled Uebersicht der erdmagnetischen Observatorien 1913 by Karl Schering (Dr. A. Petermanns Mitteilungen aus Justus Perthes' Geographischer Anstalt, 1913). Map is approximately 16 inches tall x 26 inches wide. Scale: 1:80,000,000. 2 colors. German language map showing early 20th century geomagnetic obervatories worldwide. Paper is lightly agetoned, but map remains clean and unmarked.
Price: $39.00
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