Alfred Vail

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1	November 2012 The International CWops Newsletter Issue No. 34 Add to Reading List Source URL: www.cwops.org Language: English - Date: 2014-07-19 11:33:44 Telegraphy Morse code Samuel Morse The CW American Radio Relay League Amateur radio Electrical telegraph The WB 100+ Station Group Alfred Vail Contesting
2	PDF Document Add to Reading List Source URL: invention.smithsonian.org Language: English - Date: 2009-01-16 16:05:37 Telephony Engineering Electrical telegraph Telegrams Samuel Morse Invention Alfred Vail Patent Charles Grafton Page Telegraphy Technology Morse code
3	PDF Document Add to Reading List Source URL: www.morsetelegraphclub.org Language: English - Date: 2005-11-17 09:34:28 Telephony Engineering Samuel Morse American Morse code Electrical telegraph Telegraph Transatlantic telegraph cable Alfred Vail Telecommunication Telegraphy Morse code Technology