RT Journal Article SR Electronic T1 A method for determining the rate of tuning forks JF American Journal of Science JO Am J Sci FD American Journal of Science SP 61 OP 64 DO 10.2475/ajs.s3-25.145.61 VO s3-25 IS 145 A1 A. A. Michelson YR 1883 UL http://www.ajsonline.org/content/s3-25/145/61.abstract AB