TY - JOUR T1 - On the Theory of the Electric Telegraph JF - Proceedings of the Royal Society of London (1854-1905) VL - 7 SP - 382 EP - 399 PY - 1854/01/01/ UR - http://dx.doi.org/10.1098/rspl.1854.0093 M3 - doi:10.1098/rspl.1854.0093 AU - Thomson, W. ER -