TY - JOUR T1 - On the Spectrum of the Great Nebula in the Sword-Handle of Orion JF - Proceedings of the Royal Society of London (1854-1905) VL - 14 SP - 39 EP - 42 PY - 1865/01/01/ UR - http://dx.doi.org/10.1098/rspl.1865.0011 M3 - doi:10.1098/rspl.1865.0011 AU - Huggins, W. ER -