TY - JOUR T1 - On a Method of Making a Direct Comparison of Electrostatic with Electromagnetic Force; With a Note on the Electromagnetic Theory of Light JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 158 SP - 643 EP - 657 PY - 1868/01/01/ UR - http://dx.doi.org/10.1098/rstl.1868.0027 M3 - doi:10.1098/rstl.1868.0027 AU - Maxwell, J. ER -