Royal society. London. **F 166.23 "Report of a joint committee of physics and
meteorology referred to, by the council of the Society, for an opinion on the propriety of recommending the establishment of fixed magnetic observatories, and the equipment of a naval expedi- tion for magnetic observations in the Antarctic seas" /etc. . [Also, A circular letter with regard to the report, dated July, 1839. [London, 1839) 7, (2) pp. 8°.
—Antarctic regions. —Magnetic observations.