Notes on Measurements of Terre Arial Magnetism Charles A. Schott Published: 1872 Total Pages: 34 Get eBook
The Earth's Magnetic Field : Its History, Origin, and Planetary Perspective McElhinny Published: 1984-01-04 Total Pages: 417 Get eBook
Minutes of Proceedings of the Institution of Civil Engineers Institution of Civil Engineers (Great Britain) Published: 1912 Total Pages: 616 Get eBook