Letter, from Sir John Herschel to Richard Sheepshanks Autograph letter signed by sender. Has written to G. B. Airy requesting that at the Royal Astronomical Society meeting, Airy show Richard Sheepshanks the note John Frederick William Herschel wrote to him. Announces 'LV's' [U. J. J. Leverrier's] election as an associate of the Royal Astronomical Society 1847-2-12 or late