Letter from Richard Wilcox, Lucknow Observatory, Lucknow, to Sir J.F.W. [John Frederick William] Herschel Forwarding abstracts of the hourly mean readings of magnetic and meteorological instruments for January 1844, with term day observations. He notes that the absolute horizontal intensity has been deduced from observations over five consecutive days in February. The coefficient of a balance magnetometer has been inserted and he asks that a note on this should be placed in previous sheets, giving his reasons. 11 March 1845