| Description | Tables of magnetic declination and magnetic intensity, twelve observations per hour for each, made during twenty-four hour periods at the Brera Observatory in Milan on 20-21 September 1843 and on 18-19 October 1843 [pp.1-2].
Both sets of observations were enclosed in the form of a letter communicated to the Royal Society by Francesco Carlini and endorsed as received on 28 October 1843 by John David Roberton, and on 2 November 1843 by Samuel Hunter Christie. Numbered 403 and 404. With lists of observers and participants, signed by Robert Stambucchi and dated 21 October 1843.
Noted as 'Variations de la déclinaison et intensité horizontale magnétiques observées à Milan ..., by F. Carlini, Abstracts of papers printed in the Philosophical Transactions of the Royal Society of London, v.5 (1843), p.477. |