TY - JOUR T1 - An Account of the Magnetical Machine Contrived by the Late Dr. Gowin Knight, F. R. S. and Presented to The Royal Society, by John Fothergill, M. D. F. R. S. JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 66 SP - 591 EP - 599 PY - 1776/01/01/ UR - http://dx.doi.org/10.1098/rstl.1776.0042 M3 - doi:10.1098/rstl.1776.0042 AU - Knight, G. AU - Fothergill, J. ER -