phy6.org: 400 Years Of "De Magnete" Historical review of geomagnetism, from the discovery of the compass to plate tectonics and space observations. Also has instructions for teachers, glossary, and FAQ. Keyword: compass , course , de magnete , dip needle , geomagnetism , german , history , lodestone , spanish , terrella , william gilbert www.phy6.org/earthmag/demagint.htm Add Site or Add URL to Submit Site to the dip needle Directory |