![An illustration of a loadstone (or lodestone) from "De Magnete" by William Gilbert. A loadstone is a piece of magnetite that has magnetic properties and attracts iron or steel. William Gilbert (1544-1603) An illustration of a loadstone (or lodestone) from "De Magnete" by William Gilbert. A loadstone is a piece of magnetite that has magnetic properties and attracts iron or steel. William Gilbert (1544-1603)](https://l450v.alamy.com/450v/rjn0g7/illustration-showing-lodestone-on-board-floating-in-bowl-of-water-it-was-possible-to-demonstrate-in-this-way-that-however-placed-it-would-come-to-rest-with-a-northsouth-orientation-star-shaped-objects-are-pointers-from-athanasius-kircher-magnes-sive-de-arte-magnetica-cologne-1643-rjn0g7.jpg)
An illustration of a loadstone (or lodestone) from "De Magnete" by William Gilbert. A loadstone is a piece of magnetite that has magnetic properties and attracts iron or steel. William Gilbert (1544-1603)
The study of Earth's magnetism (1269–1950): A foundation by Peregrinus and subsequent development of geomagne
![An illustration of a loadstone (or lodestone) from "De Magnete" by William Gilbert. A loadstone is a piece of magnetite that has magnetic properties and attracts iron or steel. William Gilbert (1544-1603) An illustration of a loadstone (or lodestone) from "De Magnete" by William Gilbert. A loadstone is a piece of magnetite that has magnetic properties and attracts iron or steel. William Gilbert (1544-1603)](https://c8.alamy.com/comp/2BE10KA/an-illustration-of-a-loadstone-or-lodestone-from-de-magnete-by-william-gilbert-a-loadstone-is-a-piece-of-magnetite-that-has-magnetic-properties-and-attracts-iron-or-steel-william-gilbert-1544-1603-was-an-english-physician-physicist-and-natural-philosopher-whose-primary-scientific-work-was-de-magnete-1600-on-the-magnet-and-magnetic-bodies-and-on-the-great-magnet-the-earth-and-who-is-credited-as-one-of-the-originators-of-the-term-electricity-a-unit-of-magnetomotive-force-also-known-as-magnetic-potential-was-named-the-gilbert-in-his-honor-in-de-magnete-he-describes-many-o-2BE10KA.jpg)
An illustration of a loadstone (or lodestone) from "De Magnete" by William Gilbert. A loadstone is a piece of magnetite that has magnetic properties and attracts iron or steel. William Gilbert (1544-1603)
![Illustration from De Magnete by William Gilbert, published in 1600 showing a magnetic needle slanting at the dip angle when suspended in water with just enough buoyancy to keep it hovering. Magnetic Illustration from De Magnete by William Gilbert, published in 1600 showing a magnetic needle slanting at the dip angle when suspended in water with just enough buoyancy to keep it hovering. Magnetic](https://c8.alamy.com/comp/G16ET0/illustration-from-de-magnete-by-william-gilbert-published-in-1600-G16ET0.jpg)
Illustration from De Magnete by William Gilbert, published in 1600 showing a magnetic needle slanting at the dip angle when suspended in water with just enough buoyancy to keep it hovering. Magnetic
![The Project Gutenberg eBook of The Natural Philosophy of William Gilbert and His Predecessors, by W. James King. The Project Gutenberg eBook of The Natural Philosophy of William Gilbert and His Predecessors, by W. James King.](https://www.gutenberg.org/files/31999/31999-h/images/title.jpg)