TY - JOUR T1 - Extract of a Letter from Edward Pigott, Esq. to M. de Magellan, F. R. S.; Containing the Discovery of a Comet JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 74 SP - 20 EP - 20 PY - 1784/01/01/ UR - http://dx.doi.org/10.1098/rstl.1784.0006 M3 - doi:10.1098/rstl.1784.0006 AU - Pigott, E. ER -