DTM Instruments Volume 10: Image 02 | ARC Archives Catalog
DAHLI_CI_0024.jpg (JPEG Image, 694.11 KB)
Download of the full file is not publicly available. Contact the archives for information about accessing this item.
Request hi-res copy
DTM Instruments Volume 10: Image 02
Magnetic Observatories and Polar-Year Stations in Northern Hemisphere. April 3, 1933.
ARC Archives Catalog
File size (MB):
Not all of the material in the collection is in the public domain. Researchers are responsible for addressing copyright issues.