TY - JOUR T1 - On the Photometry of the Magneto-Electric Light JF - Proceedings of the Royal Society of London (1854-1905) VL - 27 SP - 156 EP - 166 PY - 1878/01/01/ UR - http://dx.doi.org/10.1098/rspl.1878.0032 M3 - doi:10.1098/rspl.1878.0032 AU - Abney, W. ER -