RT Journal Article SR Electronic T1 On a new absolute galvanometer JF American Journal of Science JO Am J Sci FD American Journal of Science SP 475 OP 476 DO 10.2475/ajs.s3-17.102.475 VO s3-17 IS 102 A1 Hodges, N. D. C. YR 1879 UL http://www.ajsonline.org/content/s3-17/102/475.abstract AB