TY - JOUR T1 - On the Nature of the Hydrogen Flocculi and Their Structure at Different Levels in the Solar Atmosphere JF - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934) VL - 83 IS - 561 SP - 177 EP - 189 PY - 1910/01/07/ UR - http://dx.doi.org/10.1098/rspa.1910.0004 M3 - doi:10.1098/rspa.1910.0004 AU - Hale, G. AU - Ellerman, F. ER -