Page:Heroes of the telegraph (IA cu31924031222494).djvu/9

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HEROES OF THE TELEGRAPH


BY
J. MUNRO
AUTHOR OF 'ELECTRIClTY AND ITS USES,' 'PIONEERS OF ELECTRICITY,' 'THE WIRE
AND THE WAVE'; AND JOINT-AUTHOR OF 'MUNRO AND JAMIESON'S
POCKET-BOOK OF ELECTRICAL RULES AND TABLES.'


LONDON
THE RELIGIOUS TRACT SOCIETY
56, Paternoster Row; 65, St. Paul's Churchyard
and 164, Piccadilly

1891