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Abraham Niclas (Clewberg) Edelcrantz (28 July 1754 – 15 March 1821) was a Finnish born Swedish poet and inventor. He was a member of the Swedish Academy, chair 2, from 1786 to 1821.
Edelcrantz was the librarian at The Royal Academy of Turku. In 1783 he moved to Stockholm to lead the Royal Theater and later work as the private secretary of the king Gustaf III.National Museum of Science and Technology, Sweden
He is known for his experiment with the
He eventually developed his own system which was quite different from its French counterpart and almost twice as fast. His system was based on ten collapsible iron shutters. The several positions of the shutters formed combinations of numbers which were translated into letters, words or phrases via codebooks. The telegraph network was made up of telegraph stations positioned at about 10 kilometres from one another.
In 1796 he wrote ''A Treatise on Telegraphs''.
In 1797, he was elected a member of the Royal Swedish Academy of Sciences.
Abraham Niclas (Clewberg) Edelcrantz (28 July 1754 – 15 March 1821) was a Finnish born Swedish poet and inventor. He was a member of the Swedish Academy, chair 2, from 1786 to 1821.
Edelcrantz was the librarian at The Royal Academy of Turku. In 1783 he moved to Stockholm to lead the Royal Theater and later work as the private secretary of the king Gustaf III.He is known for his experiment with the
optical telegraph
An optical telegraph is a line of stations, typically towers, for the purpose of conveying textual information by means of visual signals. There are two main types of such systems; the semaphore telegraph which uses pivoted indicator arms and ...
. He inaugurated his telegraph with a poem dedicated to the Swedish King on his birthday in 1794. The message went from the Palace in Stockholm to the King at Drottningholm
Drottningholm, literally "Queen's Islet", is a locality situated in Ekerö Municipality, Stockholm County, Sweden, with 398 inhabitants in 2010.
It is on the island Lovön in lake Mälaren on the outskirts of Stockholm. Drottningholm Palace, ...
.
He eventually developed his own system which was quite different from its French counterpart and almost twice as fast. His system was based on ten collapsible iron shutters. The several positions of the shutters formed combinations of numbers which were translated into letters, words or phrases via codebooks. The telegraph network was made up of telegraph stations positioned at about 10 kilometres from one another.
In 1796 he wrote ''A Treatise on Telegraphs''.
In 1797, he was elected a member of the Royal Swedish Academy of Sciences.
See also
*Bevare gud vår kung
''Bevare Gud vår Kung'' ( Swedish for "God Save Our King") was the first royal anthem of Sweden. Written in 1805 by Abraham Niclas Edelcrantz (1754–1821) to honor King Gustaf IV Adolf, it was set to the melody of the British anthem "''God Sa ...
References
;Sources * * {{DEFAULTSORT:Edelcrantz, Abraham Niclas 1754 births 1821 deaths People from Turku Swedish-speaking Finns 19th-century Swedish inventors Members of the Royal Swedish Academy of Sciences Members of the Swedish Academy