E. HOW TO WRITE TELEGRAMS PROPERLY The Telegraph Office (1928) Wheen, Andrew;— DOT-DASH TO DOT.COM: How Modern Telecommunications Evolved from the Telegraph to the Internet (Springer, 2011) . Wilson, Geoffrey, The Old Telegraphs, Phillimore & Co Ltd 1976 ; a comprehensive history of the shutter, semaphore and other kinds of visual mechanical telegraphs. External links Telegraph at the Encyclopædia Britannica The Porthcurno Telegraph Museum The biggest Telegraph station in the world, now a museum Distant Writing—The History of the Telegraph Companies in Britain between 1838 and 1868 Western Union Telegraph Company Records, 1820–1995 Archives Center, National Museum of American History, Smithsonian Institution. Early telegraphy and fax engineering, still operable in a German computer museum "Telegram Falls Silent Stop Era Ends Stop", The New York Times, 6 February 2006 International Facilities of the American Carriers – an overview of the U.S. international cable network in 1950 Elizabeth Bruton: Communication Technology, in: 1914–1918-online. International Encyclopedia of the First World War. Telecommunications