RT Journal Article SR Electronic T1 NOTE ON THE USE OF THE DUBOSCQ TYPE OF COLORIMETER FOR THE DEMONSTRATION OF DIFFERENCES IN SURFACE TENSION JF Science JO Science FD American Association for the Advancement of Science SP 172 OP 173 DO 10.1126/science.54.1391.172 VO 54 IS 1391 A1 Hammett, Frederick S. YR 1921 UL http://science.sciencemag.org/content/54/1391/172.abstract AB