A History of Telegraphy (I E E History of Technology Series)

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A History of Telegraphy (I E E History of Technology Series)

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  • 製本 Hardcover:ハードカバー版/ページ数 408 p.
  • 言語 ENG
  • 商品コード 9780852967928
  • DDC分類 621.38309

Full Description


A dominating theme of the 21st Century will be the transmission and processing of information as the global network of communication channels continues to develop. The emergence of today's digital communications technology owes much to the growth of telegraphy in the 19th and 20th Centuries. The realisation of cheap long-distance communication using telegraphy stimulated the initial design and development of coded transmissions that proved vital in both World Wars for use on land, sea, and in the air. Methods of data compaction, coding and encryption in modern communication systems all have their origins in the techniques used by the telegraph pioneers. In fact the two main phases of telegraph development - cable-based techniques that began in the early 19th Century and wireless transmission in the 20th Century - parallel the changes in voice and information communications seen recently.History of Telegraphy relates many of the discoveries and the ingenuity of the experimenters and engineers involved in the development of telegraphy, the equipment they designed and built, and the organisation, applications and effects of this technology on society. Part One, Terrestrial Telegraphy, discusses the origins of telegraphy via landlines and submarine cables. Part Two, Aerial Telegraphy, focuses on the development of telegraphy through wireless transmission, using previously unpublished material from the Public Records Office and military sources to examine the role of telegraphy in war. The final chapter examines the successors to telegraphy, including its modern descendant, the global communication network.The book will be of interest to anyone working in communications and of particular relevance to students, researchers and all those with an interest in the history of technology and communications.

Table of Contents

        List of figures                            xiii
List of tables xvii
Preface xviii
Abbreviations xxi
PART 1 -- TERRESTRIAL TELEGRAPHY 1 (180)
Things mechanical 3 (17)
Shutter systems 4 (2)
Chappe's telegraph 6 (2)
Popham and the Admiralty installation 8 (6)
Some semaphore systems in Europe 14 (2)
Semaphore in the United States 16 (1)
Operations 17 (3)
References 18 (2)
Early electrical ideas 20 (31)
Electrostatic devices 20 (2)
Electrochemical devices 22 (2)
The `needle' telegraphs 24 (6)
Cooke and Wheatstone 30 (4)
Telegraphy on the railways 34 (6)
Dial telegraphs 40 (7)
Codes and ciphers 47 (4)
References 49 (2)
Commercial telegraphy 51 (51)
Morse and single-line working 51 (6)
Telegraph companies in the United States 57 (12)
Development in Britain 69 (4)
The Telegraph Acts of 1868--69 73 (8)
The Electric & International Telegraph 74 (3)
Company
The British & Irish Magnetic Telegraph 77 (1)
Company
The London & District Telegraph Company 77 (1)
The United Kingdom Electric Telegraph 78 (1)
Company
The Universal Private Telegraph Company 79 (1)
The Reuter's Telegram Company 80 (1)
The Exchange Telegraph Company 80 (1)
Faster, cheaper telegrams 81 (4)
Recording and printing 85 (5)
Overhead or underground? 90 (4)
Telegraphy in British India 94 (8)
References 99 (3)
Military operations 102 (32)
War in the Crimea 103 (5)
The Indian Mutiny 108 (2)
The American Civil War 110 (5)
European conflicts 115 (2)
African colonial wars 117 (9)
The Nile and Egyptian campaigns 119 (3)
The Boer War 122 (4)
Early British Army telegraph training 126 (1)
The Telegraph Battalion 126 (1)
The Society of Telegraph Engineers 127 (1)
British Army signalling 128 (6)
References 132 (2)
Submarine cables 134 (47)
Leaving the land 134 (1)
Gutta-percha 135 (3)
Crossing the Channel 138 (4)
The Siberian Telegraph 142 (5)
Oceanic cables 147 (1)
Theory and techniques 148 (6)
Loading 151 (1)
Sensitive detectors 152 (2)
Atlantic crossing 154 (2)
Links to South America 156 (2)
Cable-laying technology 158 (2)
A Committee of Inquiry 160 (2)
A Cable to India... 162 (6)
...and further East 168 (3)
The Australian connection 171 (3)
The world encompassed 174 (7)
References 178 (3)
PART 2 -- AERIAL TELEGRAPHY 181 (224)
Marconi and the experimenters 183 (41)
Beginnings 184 (2)
Marconi 186 (4)
Transatlantic attempt 190 (2)
Spark and arc 192 (12)
`Short spark' operation 194 (6)
The electric arc 200 (1)
The high-frequency alternator 201 (1)
Frequency multiplication 202 (2)
Production and power 204 (20)
The `Marconi system' 206 (2)
Marconi high-power stations 208 (2)
Duplex working 210 (1)
Telefunken and Siemens 210 (5)
Keying at high power 215 (1)
Continuous waves in the United States 215 (6)
References 221 (3)
Telegraphy for peace... 224 (42)
The advent of thermionics 225 (6)
Detection 225 (2)
Amplification and oscillation 227 (2)
Transmission 229 (2)
Linking the Empire 231 (9)
Cable and wireless 238 (2)
Reuters and the news service 240 (1)
Maritime communication 240 (8)
Wireless training in the merchant navy 244 (2)
Codes, telegrams and newspapers at sea 246 (2)
Life-saving at sea 248 (6)
International agreements 254 (3)
Civil aviation 257 (3)
The role of amateurs 260 (6)
References 262 (4)
...and at war 266 (42)
Army wireless before 1914 267 (1)
War on the ground, 1914--18 268 (16)
Wireless direction-finding 269 (3)
Trench warfare 272 (4)
Wireless at the front 276 (5)
Two military engagements 281 (3)
The inter-war years 284 (1)
War on the ground, 1939--45 285 (9)
Line working 286 (2)
The African campaigns 288 (1)
Communication systems 289 (3)
Across the Channel 292 (2)
Army wireless in the Second World War 294 (10)
Allied wireless equipment 296 (5)
German Army wireless 301 (3)
British Army training and recruitment 304 (4)
References 305 (3)
Military telegraphy at sea 308 (40)
Wireless experiments at sea 308 (6)
War at sea, 1914--18 314 (10)
Shipboard wireless equipment 317 (5)
The Naval wireless telegraph network 322 (1)
Cable operations 323 (1)
The shore stations 324 (3)
The inter-war years 327 (2)
War at sea, 1939--45 329 (11)
Allied wireless equipment 333 (4)
German wireless equipment 337 (3)
Cable ships and cables 340 (2)
British naval wireless training 342 (6)
References 345 (3)
Military telegraphy in the air 348 (41)
The dirigible 348 (2)
War in the air, 1914--18 350 (15)
British airborne equipment 353 (6)
Training telegraphists for air operations 359 (1)
American airborne equipment 360 (2)
German airborne equipment 362 (3)
The inter-war years 365 (5)
Use of shorter wavelengths 367 (2)
The 1929 development programme 369 (1)
War in the air, 1939--45 370 (13)
British airborne equipment 371 (5)
American airborne equipment 376 (1)
German airborne equipment 377 (6)
RAF wireless training 383 (6)
References 386 (3)
Epilogue 389 (16)
The demise of Morse 389 (1)
High-speed telegraphy 390 (1)
Baudot and the new codes 391 (8)
Keyboard machines 396 (1)
The teleprinter 397 (1)
Military use of the teleprinter 398 (1)
Telegram, telex and the telephone 399 (4)
The telex service 399 (2)
Telephony by submarine cable and satellite 401 (2)
The digital revolution 403 (2)
References 404 (1)
Index 405