TY - JOUR T1 - Some Remarks on the Variations of the Magnetical Compass Published in the Memoirs of the Royal Academy of Sciences, with Regard to the General Chart of Those Variations Made by E. Halley; As Also concerning the True Longitude of the Magellan Streights JF - Philosophical Transactions (1683-1775) VL - 29 SP - 165 EP - 168 PY - 1753/01/01/ UR - http://dx.doi.org/10.1098/rstl.1714.0019 M3 - doi:10.1098/rstl.1714.0019 AU - Halley, E. ER -