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If it be asked what telegraphic system is specifically announced as th — Electrical telegraph

"If it be asked what telegraphic system is specifically announced as the most developed and extended throughout the world, the answer would seem to be definitely and summarily given in the proceedings of the International Telegraphic Convention held in Paris in March, 1865, composed of the representatives of twenty of the principal nations of Europe, assembled for the special purpose of examining the various projects, in order to adopt a uniform system, and to regulate international telegraphy for their common benefit. They thus decree in their third article; "Lappareil Morse reste provisoirement adopté pour le service des fils internationaux." Concise as is this announcement, as the result of their deliberations, it proclaims that the Morse system—an American system—is preferred for special international service throughout Europe."
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Electrical telegraph
Electrical telegraph
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Electrical telegraphy is point-to-point distance communicating via sending electric signals over wire, a 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 devised to send text messages more quickly than physically carrying them. Electric

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"(All those who have been concerned with the practical application of electrical telegraphy readily agree on this point, namely, that the immense majority of the disturbances which affect electrical telegraphs arise from variations in the intensity of the currents employed. The cause of the variations lies either in the source of the currents or in the varying conditions of the conductor circuit. The first of these causes can be eliminated by making use of constant sources. I am content, in this regard, to observe that I give preference to the Daniell cell.)"
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Electrical telegraph
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"During the voyage of the packet ship Sully from Havre to New York, in October, 1832, a conversation arose one day in the cabin upon electricity and magnetism. Dr. Charles T. Jackson, of Boston, described an experiment recently made in Paris with an electro-magnet, by means of which elec­tricity had been transmitted through a great length of wire, arranged in circles around the walls of a large apartment. The transmission had been instantaneous, and it seemed as though the flight of electricity was too rapid to be measured. Among the group of passengers no one listened more attentively to Dr. Jacksons recital than a New York artist, named Samuel Finley Breece Morse, who was returning from a three years residence in Europe, whither he had gone for improve­ment in his art. ... "Why," said he, when the doctor had finished, "if that is so, and the presence of electricity could be made visible in any desired part of the circuit, I see no reason why intelli­gence might not be transmitted instantaneously by electric­ity." "How convenient it would be," added one of the passen­gers, "if we could send news in that manner." "Why cant we?" asked Morse, fascinated by the idea. From that hour the subject occupied his thoughts, and he began to exercise his Yankee ingenuity in devising the requisite apparatus."
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Electrical telegraph
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"... Few persons, probably, even among ornithologists realize what an enormous number of birds are killed by flying against these wires, which now form a murderous net-work over the greater part of the country. Until recently, I had myself no adequate idea of the destruction that is so quietly, insidiously, and uninterruptedly accomplished. My observations do not enable me to form even an approximate estimate of the annual mortality, and I suppose we shall never possess accurate data; but I am satisfied that many hundred thousand birds are yearly killed by the telegraph."
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Electrical telegraph