TY - JOUR T1 - A Letter from John Pond, Esq. Astronomer Royal, to Sir Humphry Davy, Bart. President of the Royal Society, Relative to a Derangement in the Mural Circle at the Royal Observatory JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 112 SP - 86 EP - 88 PY - 1822/01/01/ UR - http://dx.doi.org/10.1098/rstl.1822.0011 M3 - doi:10.1098/rstl.1822.0011 AU - Pond, J. ER -