RT Journal Article SR Electronic T1 Break-circuit arrangements for transmitting clock beats JF American Journal of Science JO Am J Sci FD American Journal of Science SP 54 DO 10.2475/ajs.s3-24.139.54 VO s3-24 IS 139 A1 Nipher, Frances E. YR 1882 UL http://www.ajsonline.org/content/s3-24/139/54.abstract AB