TY - JOUR T1 - Extract of a Letter from Charles Chambers, Esq., Acting Superintendent of the Bombay Magnetic Observatory, to the President. Dated March 28, 1866 JF - Proceedings of the Royal Society of London (1854-1905) VL - 15 SP - 111 EP - 114 PY - 1866/01/01/ UR - http://dx.doi.org/10.1098/rspl.1866.0027 M3 - doi:10.1098/rspl.1866.0027 AU - Chambers, C. ER -