Letter, from E. Willes to Sir John Herschel, dated at Stewarts Hotel, 34 Albemarle St. Autograph letter signed by sender, with annotations by recipient. Found house and 60 acres near Worcester. Needs to know soon if John Frederick William Herschel is interested. Asks about copper mines on Orange River described by J. E. Alexander [An Expedition of Discovery into the Interior of Africa...(1831)]. Believes missionaries may help Negroes there. 18 October 1838