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The Atlantic Telegraph Company led by Cyrus West Field constructed the first transatlantic telegraph cable. [1] The project began in 1854 with the first cable laid from Valentia Island off the west coast of Ireland to Bay of Bulls, Trinity Bay, Newfoundland. The first communications occurred on August 16, 1858, but the line speed was poor.
Telegraphy is the long-distance transmission of messages where the sender uses symbolic codes, known to the recipient, rather than a physical exchange of an object bearing the message. Thus flag semaphore is a method of telegraphy, whereas pigeon post is not. Ancient signalling systems, although sometimes quite extensive and sophisticated as in ...
This is a list of telegram services by country. Algérie Poste offers electronic telegram services under the name Barki@tic. Correo Argentino still offers telegram service within Argentina and to international destinations. Post Aruba still offers telegram service. Australia Post closed its telegram service on 7 March 2011.
The history of communication itself can be traced back since the origin of speech circa 100,000 BCE. [1] The use of technology in communication may be considered since the first use of symbols about 30,000 years BCE. Among the symbols used, there are cave paintings, petroglyphs, pictograms and ideograms. Writing was a major innovation, as well ...
The history of telecommunication began with the use of smoke signals and drums in Africa, Asia, and the Americas. In the 1790s, the first fixed semaphore systems emerged in Europe. However, it was not until the 1830s that electrical telecommunication systems started to appear. This article details the history of telecommunication and the ...
Hughes telegraph, an early (1855) teleprinter built by Siemens and Halske. Electrical telegraphy is a point-to-point text messaging system, primarily used from the 1840s until the late 20th century. It was the first electrical telecommunications system and the most widely used of a number of early messaging systems called telegraphs, that were ...
In the nineteenth century, the United Kingdom of Great Britain and Ireland had the world's first commercial telegraph company. British telegraphy dominated international telecommunications well into the twentieth. Telegraphy is the sending of textual messages by human operators using symbolic codes. Electrical telegraphy used conducting wires ...
The map of Ireland is included on the "first European map" sections (Ancient Greek: Εὐρώπης πίναξ αʹ, romanized: Eurōpēs pínax alpha or Latin: Prima Europe tabula) of Ptolemy's Geography (also known as the Geographia and the Cosmographia). The "first European map" is described in the second and third chapters of the work's ...