Letter, from Richard Sheepshanks to Sir John Herschel, dated at Reading Autograph letter signed by sender. About the establishment of a standard yard, and how the Kew Committee should proceed [see John Frederick William Herschel's 1851-11-5]; Richard Sheepshanks also plans to prepare standard thermometers. Received notice of William Lassell's discovery of more satellites of Uranus. 6 November 1851