RT Journal Article SR Electronic T1 A method of recording articulate vibrations by means of photography JF American Journal of Science JO Am J Sci FD American Journal of Science SP 54 OP 59 DO 10.2475/ajs.s3-16.91.54 VO s3-16 IS 91 A1 E. W. Blake YR 1878 UL http://www.ajsonline.org/content/s3-16/91/54.abstract AB