TY - JOUR T1 - On Some Phenomena in Vacuum-Tubes JF - Proceedings of the Royal Society of London (1854-1905) VL - 56 SP - 229 EP - 250 PY - 1894/01/01/ UR - http://dx.doi.org/10.1098/rspl.1894.0102 M3 - doi:10.1098/rspl.1894.0102 AU - Salomons, D. ER -