TY - JOUR T1 - The Contact Theory of Voltaic Action. Paper No. III JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 171 SP - 15 EP - 34 PY - 1880/01/01/ UR - http://dx.doi.org/10.1098/rstl.1880.0002 M3 - doi:10.1098/rstl.1880.0002 AU - Ayrton, W. AU - Perry, J. ER -