TY - JOUR T1 - Extract of a Letter from Capt. Basil Hall, R. N. F. R. S. to William Hyde Wollaston, M. D. V. P. R. S. Containing Observations of a Comet Seen at Valparaiso JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 112 SP - 46 EP - 49 PY - 1822/01/01/ UR - http://dx.doi.org/10.1098/rstl.1822.0007 M3 - doi:10.1098/rstl.1822.0007 AU - Hall, B. ER -