Copy letter, from Sir John Herschel to John F. South, dated at Collingwood Contemporary copy in sender's hand, signed by sender. As John Frederick William Herschel rarely comes to London. and is himself in poor health, it is unlikely that John Frederick William Herschel can visit James South. John Frederick William Herschel wants, however, also to wipe bitter recollections from his mind. 31 May 1866