Use of lives of electricians—World-wide distribution of electricians—Eminent authorities on biographical studies Pages [ix-xvi]

PROFESSOR TYNDALL.
CHAPTER I.

Position as a scientist—Origin and early career—Work on Ordnance Survey, and as a teacher—Student life at Marburg—Sense of duty and early friendships Pages [1-20]

CHAPTER II.

Subjects of study in Germany—Discovery of diamagnetism—Investigation of it—Scientific acquaintances—Early connection with Royal Institution—Slaty cleavage—Glacier phenomena explained Pages [21-41]

CHAPTER III.

Researches on Radiant Heat—Aqueous vapour and new glacial theory—Calorescence—Formation of clouds—Germ theory—Smoke respirator—Experiments on sound and its production by heat Pages [42-59]

CHAPTER IV.

Alpine travels—Ascent of Monte Rosa, Mont Blanc, Weisshorn, Col-du-Géant, and Piz Morteratch—Visit to Vesuvius—An American’s impressions—Visit to America—Exploration of Niagara Falls—Presidental address to British Association Pages [60-83]

CHAPTER V.