TY - JOUR T1 - A Description of an Instrument Which, by the Turning of a Winch, Produces the Two States of Electricity without Friction or Communication with the Earth. In a Letter from Mr. William Nicholson to Sir Joseph Banks, Bart. P. R. S. JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 78 SP - 403 EP - 407 PY - 1788/01/01/ UR - http://dx.doi.org/10.1098/rstl.1788.0028 M3 - doi:10.1098/rstl.1788.0028 AU - Nicholson, W. ER -