Telegraf






Skilt på det gamle posthuset i Oslo.


Telegraf er ein maskin for overføring og mottak av meldinger over lange avstandar. Ein telegraf inngår i eit system for telegrafi. Det er gjennom tidene nytta forskjellige typar telegrafar. Mellom anna kan nemnast optisk telegraf og elektrisk telegraf.



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  • Telex

  • Telefaks

  • Radiotelegrafi





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Autoritetsdata


  • WorldCat

  • LCCN



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