http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f58-subject=Geomagnetism) http://norton.wrhs.org/collections/search?docsPerPage%3D100;f58-subject%3DGeomagnetism Results for your query: docsPerPage=100;f58-subject=Geomagnetism Thu, 01 Jan 1970 12:00:00 GMT Terrestrial magnetism. Owen, Richard, 1810-1890 http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT Comparison of the mean daily range of the magnetic declination: with the number of auroras observed each year, and the extent of the black spots on the surface of the sun. Loomis, Elias, 1811-1889 http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT