Masters of Space by Walter Kellogg TowersMorse and the Telegraph, Thompson and the Cable, Bell and the Telephone, Marconi and the Wireless Telegraph, Carty and the Wireless Telephone

Produced by Leah Moser and the Online Distributed Proofreading Team. 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 ILLUSTRATED 1917 TO MY CO-LABORER AND COMPANION BERENICE LAURA TOWERS WHOSE ENCOURAGEMENT AND ASSISTANCE WERE CONSTANT