Magnetic observations at the Madras Observatory, India, by Samuel Owen Edgar Ludlow Tables of dip observations, organised by month, with eight or nine observing days per month, with means, and an abstract of dip observations. Headed [p.1]: 'Observations of the Dip of the Needle taken at Madras Magnetic Observatory during the year 1843. Needle used No.2 (New) by Robinson. North Pole always dips'. Signed [p.7]: 'S.O.E. Ludlow Supt. Magl. Obsy. Madras'. January-December 1843