An electrical telegraph is a telegraph that uses electrical signals, usually conveyed via dedicated telecommunication lines or radio. The electrical telegraph, or more commonly just telegraph, superseded optical semaphore telegraph systems, such as Claude Chappe's towers designed for communication among the French military, and Friedrich Clemens Gerke for the Prussian military, thus becoming the first form of electrical telecommunications. In a matter of decades after their creation, electrical telegraph networks permitted people and commerce to transmit messages across both continents and oceans almost instantly, with widespread social and economic impacts.

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  • An electrical telegraph is a telegraph that uses electrical signals, usually conveyed via dedicated telecommunication lines or radio. The electrical telegraph, or more commonly just telegraph, superseded optical semaphore telegraph systems, such as Claude Chappe's towers designed for communication among the French military, and Friedrich Clemens Gerke for the Prussian military, thus becoming the first form of electrical telecommunications. In a matter of decades after their creation, electrical telegraph networks permitted people and commerce to transmit messages across both continents and oceans almost instantly, with widespread social and economic impacts. (en)
  • 電信(でんしん)とは、符号の送受信による電気通信である。有線と無線がある。 (ja)
  • Магнитные и электрические телеграфы. Постоянное стремление увеличить быстроту передачи информации на большие расстояния и сделать её более надёжной, не зависящей от разных случайных обстоятельств, погоды и т. п., привело постепенно к замене оптических телеграфов электрическими или, лучше сказать, электромагнитными. (ru)
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http://purl.org/linguistics/gold/hypernym
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  • An electrical telegraph is a telegraph that uses electrical signals, usually conveyed via dedicated telecommunication lines or radio. The electrical telegraph, or more commonly just telegraph, superseded optical semaphore telegraph systems, such as Claude Chappe's towers designed for communication among the French military, and Friedrich Clemens Gerke for the Prussian military, thus becoming the first form of electrical telecommunications. In a matter of decades after their creation, electrical telegraph networks permitted people and commerce to transmit messages across both continents and oceans almost instantly, with widespread social and economic impacts. (en)
  • 電信(でんしん)とは、符号の送受信による電気通信である。有線と無線がある。 (ja)
  • Магнитные и электрические телеграфы. Постоянное стремление увеличить быстроту передачи информации на большие расстояния и сделать её более надёжной, не зависящей от разных случайных обстоятельств, погоды и т. п., привело постепенно к замене оптических телеграфов электрическими или, лучше сказать, электромагнитными. (ru)
rdfs:label
  • Electrical telegraph (en)
  • 電信 (ja)
  • Электрический телеграф (ru)
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