TY - JOUR T1 - Researches on Gaseous Spectra in Relation to the Physical Constitution of the Sun, Stars, and Nebulae.--Second Note JF - Proceedings of the Royal Society of London (1854-1905) VL - 17 SP - 453 EP - 454 PY - 1868/01/01/ UR - http://dx.doi.org/10.1098/rspl.1868.0092 M3 - doi:10.1098/rspl.1868.0092 AU - Frankland, E. AU - Lockyer, J. ER -