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Historical geomagnetic field observation data from unpublished handwritten t...
Here we present the digitized timeseries of hourly observations of the geomagnetic field horizontal component (H) in Irkutsk in 1890 from unpublished handwritten monthly tables.... -
Historical geomagnetic field observation data from unpublished handwritten ta...
Here we present the digitized timeseries of hourly observations of the geomagnetic field declination (D) in Irkutsk in 1890 from unpublished handwritten monthly tables....