TY - JOUR T1 - On the Vibrations of a Vortex Ring, and the Action upon Each Other of Two Vortices in a Perfect Fluid JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 173 SP - 493 EP - 521 PY - 1882/01/01/ UR - http://dx.doi.org/10.1098/rstl.1882.0010 M3 - doi:10.1098/rstl.1882.0010 AU - Thomson, J. ER -