Carte des déclinaisons et inclinaisons de l'aiguille aimantée rédigée d'apr es la table des observations magnétiques faites par les voyageurs depuis l'année 1775
Includes note. Sheet no. 8 consists of 2 hemispheres each in 46 cm. in diam. Map of 8 charts which records the first detailed documentation of the earth's magnetism. It was probably compiled from the reports of La Perouse's last voyage in the Pacific and is by Jean-Charles Borda. Watermarks "J. Honig & Zoonen."
Image from the Map Collections courtesy Stanford University Libraries. This item is in the public domain. There are no restrictions on use. If you have questions, please contact Branner Earth Sciences Library & Map Collections at brannerlibrary@stanford.edu.
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