| Description | Leforestier introduces the eight key subjects of his paper on terrestrial magnetism: spontaneous direction, polarity, attraction and repulsion, magnetic moment, diurnal variation, monthly periodic variations, reversal of polarity, and magnetic intensity of the globe. He describes an experiment involving a magnetic needle, and shares observations on the connection between the Moon and terrestrial magnetism.
Subject: Magnetism / Astronomy
Received 8 September 1846. |