RT Journal Article SR Electronic T1 Production of alternating currents JF American Journal of Science JO Am J Sci FD American Journal of Science SP 377 DO 10.2475/ajs.s3-29.173.377 VO s3-29 IS 173 A1 John Trowbridge A1 H. V. Hayes YR 1885 UL http://www.ajsonline.org/content/s3-29/173/377.abstract AB