TY - JOUR T1 - A Letter from Sir John Barrow, Bart., V.P., Addressed to the President, Accompanying a Series of Magnetic Observations Made on Shore, and on Board Her Majesty's Ships 'Erebus' and 'Terror,' under the Direction of Captain James Clark Ross, R.N., together with a Series of Observations Made on the Temperature and Specific Gravity of the Ocean at Various Depths, and at the Surface JF - Abstracts of the Papers Printed in the Philosophical Transactions of the Royal Society of London (1800-1843) VL - 4 SP - 220 EP - 221 PY - 1837/01/01/ UR - http://dx.doi.org/10.1098/rspl.1837.0110 M3 - doi:10.1098/rspl.1837.0110 AU - Barrow, J. ER -