English

Masters Of Space: Morse and the telegraph; Thompson and the cable; Bell and the telephone; Marconi and the wireless telegraph; Carty and the wireless telephone;

CONTENTS CHAP. PAGE Preface 7 I. Communication Among the Ancients 13 II. Signals Past and Present 23 III. Forerunners of the Telegraph 36 IV. Inventions of Sir Charles Wheatstone 45 V. The Achievement of Morse 55 VI. "What Hath God Wrought?" 75 VII. Development of the Telegraph System 90 VIII. Telegraphing Beneath the Sea 106 IX. The Pioneer Atlantic Cable 117 X. A Successful Cable Attained 130 XI. Alexander Graham Bell, the Youth 140 XII. The Birth of the Telephone 151 XIII. The Telephone at the Centennial 165 XIV. Improvement and Expansion 176 XV. Telegraphing Without Wires 188 XVI. An Italian Boy's Work 199 XVII. Wireless Telegraphy Established 209 XVIII. The Wireless Serves the World 220 XIX. Speaking Across the Continent 231 XX. Telephoning Through Space 250 Appendix A 264 Appendix B 282 Index 299 ILLUSTRATIONS Samuel Finley Breese Morse Frontispiece Morse's First Telegraph Instrument Facing p. 72 Cyrus W. Field " 114 William Thomson (Lord Kelvin) " 114 The "Great Eastern" Laying the Atlantic Cable, 1866 " 136 Alexander Graham Bell " 160 Thomas A. Watson " 160 Professor Bell's Vibrating Reed " 168 Professor Bell's First Telephone " 168 The First Telephone Switchboard Used in N

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