TY - JOUR T1 - An Account of Trigonometrical Operations in the Years 1821, 1822 and 1823, for Determining the Difference of Longitude between the Royal Observatories of Paris and Greenwich JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 118 SP - 153 EP - 239 PY - 1828/01/01/ UR - http://dx.doi.org/10.1098/rstl.1828.0011 M3 - doi:10.1098/rstl.1828.0011 AU - Kater, H. ER -