On the variable intensity of ter­restrial magnetism, and the influence of the aurora borealis upon it

• Published in: Abstracts of the Papers Printed in the Philosophical Transactions of the Royal Society of London
• Format: Article in Journal/Newspaper
• Language: English
• Published: The Royal Society 1837
• Subjects: South Pole; North Pole; The Needle; aurora borealis; South pole
• Online Access: http://dx.doi.org/10.1098/rspl.1830.0016; https://royalsocietypublishing.org/doi/pdf/10.1098/rspl.1830.0016

The author gives the results of a series of observations on the vibrations of the magnetic needle, which he undertook last summer, for the purpose of ascertaining whether the intensity of its directive force is affected by the changes in the earth’s distance from the sun, or by its declination with...