TY - JOUR T1 - Observations on Atmospherical Refraction As It Affects Astronomical Observations JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 100 SP - 190 EP - 203 PY - 1810/01/01/ UR - http://dx.doi.org/10.1098/rstl.1810.0012 M3 - doi:10.1098/rstl.1810.0012 AU - Groombridge, S. ER -