TY - JOUR T1 - On the Determination of a Ship's Place from Observations of Altitude JF - Proceedings of the Royal Society of London (1854-1905) VL - 19 SP - 259 EP - 266 PY - 1870/01/01/ UR - http://dx.doi.org/10.1098/rspl.1870.0036 M3 - doi:10.1098/rspl.1870.0036 AU - Thomson, W. ER -