TY - JOUR T1 - Fourth Letter on Voltaic Combinations, with Reference to the Mutual Relations of the Generating and Conducting Surfaces JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 128 SP - 41 EP - 56 PY - 1838/01/01/ UR - http://dx.doi.org/10.1098/rstl.1838.0003 M3 - doi:10.1098/rstl.1838.0003 AU - Daniell, J. ER -