TY - JOUR T1 - The Transmission of Electric Waves around the Earth's Surface JF - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934) VL - 92 IS - 643 SP - 493 EP - 500 PY - 1916/08/01/ UR - http://dx.doi.org/10.1098/rspa.1916.0034 M3 - doi:10.1098/rspa.1916.0034 AU - Macdonald, H. ER -