TY - JOUR T1 - Contributions to Terrestrial Magnetism. No. IV. JF - Abstracts of the Papers Printed in the Philosophical Transactions of the Royal Society of London (1800-1843) VL - 4 SP - 465 EP - 465 PY - 1837/01/01/ UR - http://dx.doi.org/10.1098/rspl.1837.0235 M3 - doi:10.1098/rspl.1837.0235 AU - Sabine, E. ER -