Letter, from William Snow Harris to Sir John Herschel, dated at Plymouth Autograph letter signed by sender. Sends a new edition of his own work on electricity. Has been studying the manuscripts of Henry Cavendish and thinks they should be published. John Frederick William Herschel in one of his articles attributes an invention to C. F. Gauss, whereas William Snow Harris suggested the idea seven years before Gauss. 30 October 1851