TY - JOUR T1 - Note on the Photographic Spectra of Uranus and Saturn JF - Proceedings of the Royal Society of London (1854-1905) VL - 46 SP - 231 EP - 233 PY - 1889/01/01/ UR - http://dx.doi.org/10.1098/rspl.1889.0030 M3 - doi:10.1098/rspl.1889.0030 AU - Huggins, W. AU - Huggins, M. ER -