TY - JOUR T1 - Preliminary Note of Researches on Gaseous Spectra in Relation to the Physical Constitution of the Sun JF - Proceedings of the Royal Society of London (1854-1905) VL - 17 SP - 288 EP - 291 PY - 1868/01/01/ UR - http://dx.doi.org/10.1098/rspl.1868.0049 M3 - doi:10.1098/rspl.1868.0049 AU - Frankland, E. AU - Lockyer, J. ER -