Copy letter, from Sir John Herschel to James South Copy of letter, copied as part of the correspondence project led by Colonel John Herschel FRS following the death of his father. Assures James South that the person interested in purchasing James South's lens has worthy intentions for it, i.e., its use in a public institution. Regrets that James South distrusted John Frederick William Herschel's good intentions. 11 July 1833