TY - JOUR T1 - Researches on the Theory of Vortex Rings. Part II JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 176 SP - 725 EP - 780 PY - 1885/01/01/ UR - http://dx.doi.org/10.1098/rstl.1885.0015 M3 - doi:10.1098/rstl.1885.0015 AU - Hicks, W. ER -