John Tyndall Mountaineering in 1861. A Vacation Tour, London, 1862, First Edition, 19th Century grained cloth, gilt, a little worn & marked; old (small) bookseller’s label on front pastedown; uncut 2 sides; VG internally, two tissue-guarded plates; plus Tyndall’s Hours of Exercise In the Alps, Longmans, 1871, 2nd Edn, original gilt cloth, and The Forms of Water in Clouds & Rivers, Ice & Glaciers, 1889, 10th Edn. (3)