Letter from Robert Stambucchi, Milan, Italy, to the Royal Society, London 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 22 and 23 January 1845 and on 21 and 22 February 1845 [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 5 March 1845, by Charles Richard Weld. Not numbered. With lists of observers and participants, signed by Robert Stambucchi and dated 26 February 1845. 26 February 1845