Copy of a letter, from John Frederick William Herschel to Richard Sheepshanks, dated at 37 Tavistock Place Copy of letter, copied as part of the correspondence project led by Colonel John Herschel FRS following the death of his father. On a puzzling aspect of [Thomas] Henderson's papers. One column in his tables seems to have been altered in someone else's handwriting. Wants to know the origin of these corrections, and how Henderson's tables ought to be printed. Offers several options. 6 May 1847