Letter, from Sir John Herschel to Charles Babbage, dated at Feldhausen Autograph letter, likely draft in pencil in Herschel's hand. Comments on some parts of Charles Babbage's Ninth Bridgewater Treatise, especially on Charles Babbage's mathematical estimating of the credibility of miracles. John Frederick William Herschel shows that such a process cannot work. [Letter finished 1837-10-25.] 25 October 1837