TY - JOUR T1 - An Account of Observations Made on Board the Chatham-Yacht, August 30th and 31st, and September 1st, 1732, in Pursuance of an Order Made by the Right Honourable the Lords Commissioners of the Admiralty, for the Trial of an Instrument for Taking Angles, Described in Philosophical Transactions, Numb. 420. By John Hadley, Esq; Vice-President of the Royal Society JF - Philosophical Transactions (1683-1775) VL - 37 SP - 341 EP - 356 PY - 1753/01/01/ UR - http://dx.doi.org/10.1098/rstl.1731.0061 M3 - doi:10.1098/rstl.1731.0061 AU - Hadley, J. ER -