TY - JOUR T1 - On the Acoustic Shadow of a Sphere. And With an Appendix, Giving the Values of Legendre's Functions from P$_{_{0}}$ to P$_{_{20}}$ at Intervals of Five Degrees. JF - Proceedings of the Royal Society of London (1854-1905) VL - 73 SP - 65 EP - 66 PY - 1904/01/01/ UR - http://dx.doi.org/10.1098/rspl.1904.0009 M3 - doi:10.1098/rspl.1904.0009 AU - Rayleigh, L. AU - Lodge, A. ER -