This rare book contains the account of John Tyndall's attempt to scale the Aletschhorn, one of the highest peaks in the Alps. This thrilling text is both informative and exciting, detailing a perilous mountaineering expedition before the advent of the plethora of safety gear enjoyed by mountaineers today. John Tyndall was a seminal physicist in the 19th century. While researching his 1860 work, The Glaciers of the Alps, Tyndall became an accomplished...