Magnetic observations at the Lucknow Observatory, India, by Richard Wilcox Magnetic dip observations, ten in total, made using Robinson's needle no.2, on the morning and afternoon of selected days of the month. With [p.2] 'Absolute determinations, coefficients, &c.', including adjustments to instruments. Headed: 'Observatory at Lucknow. Observations of the Magnetic Dip taken during the month of June 1843'. 30 May-30 June 1843