Hughes's printing telegraph, 1850s

Numéro d’image : 12289416
Hughes's printing telegraph, 1850s
Hughes's printing telegraph. 19th-century illustration of the printing telegraph invented in 1855 by the British physicist David E. Hughes (1831-1900). It was the first telegraph to print text at both the sending and receiving end. This meant that there was no longer a need for codes such as Morse code. The apparatus was powered by a weight attached to the chain at bottom centre. Later models were powered by electricity. This illustration is from 'Physique Populaire' (Emile Desbeaux, 1891).
Licence : Droits gérés
Crédit: Science Photo Library
Taille de l’image : 5089 px × 3434 px
Model Release : Non requis
Property Release : Non requis
Restrictions : -

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