Note 57 — Book VI (continued 7)
Reading edition
(a) Observations of Atmospheric Electricity. American Meteorological Journal, 1887. (b) Terrestrial Magnetism. December 1897.
Consult Sir Wm. Thomson (Lord Kelvin), “Reprint of Papers on Electro-statics and Magnetism,” London, 1884, second edition, pp. 192–239, Chapter (Article) XVI, “Atmospheric Electricity.”