Letter, from James David Forbes to Sir John Herschel, dated at Locarno Autograph letter signed by sender. Has postponed answering his letter until he has some worthwhile results to transmit. Local savants are unwilling to take much trouble but has met a German meteorologist, L. F. Kämtz, and together they have carried out observations on some of the mountains. Encloses some of the actinometer readings. Has 80 series of magnetic observations. 2 October 1832