By J. Munro
PREFACE.
CHAPTER I. THE ORIGIN OF THE TELEGRAPH.
CHAPTER II. CHARLES WHEATSTONE.
CHAPTER III. SAMUEL MORSE.
CHAPTER IV. SIR WILLIAM THOMSON.
CHAPTER V. CHARLES WILLIAM SIEMENS.
CHAPTER VI. FLEEMING JENKIN.
CHAPTER VII. JOHANN PHILIPP REIS.
CHAPTER VIII. GRAHAM BELL.
CHAPTER IX. THOMAS ALVA EDISON.
CHAPTER X. DAVID EDWIN HUGHES.
APPENDIX.
I. CHARLES FERDINAND GAUSS.
II. WILLIAM EDWARD WEBER.
III. SIR WILLIAM FOTHERGILL COOKE.
IV. ALEXANDER BAIN.
V. DR. WERNER SIEMENS.
VI. LATIMER CLARK.
VII. COUNT DU MONCEL.
VIII. ELISHA GRAY.
