On Periodical Change of Terrestrial Magnetism Fritz W. Schulze Published: 1879 Total Pages: 86 Get eBook
A New Theory of Terrestrial Magnetism Samuel Lytler Metcalfe Published: 1833 Total Pages: 168 Get eBook
On Periodical Change of Terrestrial Magnetism Fritz W. Schulze Published: 1879 Total Pages: 84 Get eBook
On Terrestrial Magnetism. From the American Journal of Science and Arts, etc William Augustus NORTON Published: 1847 Total Pages: 38 Get eBook
On the Cosmical Features of Terrestrial Magnetism Sir Edward Sabine Published: 1862 Total Pages: 72 Get eBook