MEMBER OF THE INSTITUTION OF ELECTRICAL ENGINEERS, LONDON, AND OF AUTHOR OF 'A HISTORY OF ELECTRIC TELEGRAPHY TO THE YEAR 1837'; ETC. WITH FRONTISPIECE AND ILLUSTRATIONS WILLIAM BLACKWOOD AND SONS EDINBURGH AND LONDON MDCCCXCIX 1899 All Rights reserved Dedicated то F2 1899 W. H. PREECE, ESQUIRE, C.B., F.R.S., Past President, Institution of Electrical Engineers; &c., &c., The First Constructor of a Practical Wireless Telegraph, AS A SLIGHT TOKEN OF ESTEEM AND FRIENDSHIP, AND IN ACKNOWLEDGMENT OF MANY KINDNESSES EXTENDING OVER MANY YEARS. 375 |