RT Journal Article SR Electronic T1 The Aurora, viewed as an electric discharge between the magnetic poles of the Earth, modified by the Earth's magnetism JF American Journal of Science JO Am J Sci FD American Journal of Science SP 311 OP 318 DO 10.2475/ajs.s2-31.93.311 VO s2-31 IS 93 A1 Marsh, Benjamin V. YR 1861 UL http://www.ajsonline.org/content/s2-31/93/311.abstract AB