TY - JOUR T1 - On a Peculiar Class of Acoustical Figures; and on Certain Forms Assumed by Groups of Particles upon Vibrating Elastic Surfaces JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 121 SP - 299 EP - 340 PY - 1831/01/01/ UR - http://dx.doi.org/10.1098/rstl.1831.0018 M3 - doi:10.1098/rstl.1831.0018 AU - Faraday, M. ER -