TY - JOUR T1 - Reduction and Discussion of the Deviations of the Compass Observed on Board of all the Iron-Built Ships and a Selection of the Wood-Built Steam-Ships in Her Majesty's Navy, and the Iron Steam-Ship Great Eastern; Being a Report to the Hydrographer of the Admiralty. JF - Proceedings of the Royal Society of London (1854-1905) VL - 10 SP - 538 EP - 544 PY - 1859/01/01/ UR - http://dx.doi.org/10.1098/rspl.1859.0108 M3 - doi:10.1098/rspl.1859.0108 AU - Evans, F. ER -