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

by Walter Kellogg Towers

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Telegraph, first suggestion, 39; patented, 82; development, 264. Telephone invented and patented, 162; at Centennial, 165; exchange, 177. Thomson, youth, 144; cable adviser, 121; invents mirror galvanometer, 126; knighted, 136; invents siphon recorder, 137; connection with telephone, 169. Transatlantic cable (See Atlantic cable). Transatlantic wireless telegraphy, 216. Transatlantic wireless telephone, 259. Transcontinental telegraph, 96. Transcontinental telephone, 246. Transcontinental wireless telephone, 257. Trowbridge, John, 190. Troy, signaling fall of, 14. Tuning the wireless telegraph, 222.