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. Has figured out why [Thomas] Henderson's tables [see John Frederick William Herschel's 1847-5-6] appear as they do. 8? May 1847