| 1. | Alibag houses a magnetic observatory which was set up in 1904.
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| 2. | Changes that predate magnetic observatories are recorded in archaeological and geological materials.
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| 3. | The Indian Institute of Geomagnetism currently operates Ten magnetic observatories.
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| 4. | Trinity's magnetic observatory was founded through Lloyd's influence.
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| 5. | The team established a magnetic observatory at the site.
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| 6. | Fundamental space weather monitoring data are provided by ground-based magnetometers and magnetic observatories.
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| 7. | The station has a magnetic observatory and stands on the eastern side of the point.
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| 8. | A magnetic observatory was added in 1839.
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| 9. | In 1837, the British Government funded the installation of a magnetic observatory at Greenwich.
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| 10. | The ship was prepared for winter once again, and a magnetic observatory was built.
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