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1. Results of the magnetic & meteorological observations
   QC830 .G816 1939
2. Results of the magnetic observations made at the Royal Greenwich Observatory, Abinger, in the year ...
   QC830 .G816 1953
3. Magnetic results from Nurmijärvi Geophysical Observatory = Nurmijärven Geofysikaalisen Observatorion magneettisia mittauksia
   QC830 .H48 no.15-17 1974-1977
4. Hartland Observatory magnetic results
   QC830 .M33 1965-1967
5. Magnetic results ... Eskdalemuir, Hartland and Lerwick Observatories
   QC830 .M33 1968