Terrella Diagram for Magnetic Field Study
Historic Terrella Diagram, Early Scientific Study of Earth's Magnetic Field Phenomena

Terrella Diagram for Magnetic Field Study

An antique scientific illustration showcases a terrella, a small magnetized sphere used to model Earth's magnetic field. The diagram features a detailed representation of the terrella, complete with markings indicating its poles and circular scales for precise measurement. A hinged quadrant, also graduated with degree markings, is attached, suggesting its use in observing or mapping magnetic phenomena. This historical engraving provides a glimpse into early scientific methods for understanding geomagnetism.

terrella - magnetism - geomagnetism - science - historical - diagram - physics - scientific instrument

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