Letter, from Henry Kater to Sir John Herschel, dated at Tunbridge Wells Autograph letter signed by sender. Has been prevented from answering his letter earlier by increased illness. If he returns to town he will have pleasure in meeting H. C. Schumacher. Believes the pound must be made of bell metal. Thought John Frederick William Herschel was on his way to the Cape, but sees his letter was written from Slough. 4 August 1832