TY - JOUR T1 - On the Influence of Height in the Atmosphere on the Diurnal Variation of the Earth's Magnetic Force JF - Proceedings of the Royal Society of London (1854-1905) VL - 25 SP - 566 EP - 569 PY - 1876/01/01/ UR - http://dx.doi.org/10.1098/rspl.1876.0089 M3 - doi:10.1098/rspl.1876.0089 AU - Broun, J. ER -