Radio experiment,historical artwork

Numéro d’image : 11588212
Radio experiment,historical artwork
Radio experiment. Historical artwork of a man using a primitive antenna (electromagnets,lower left) to receive radio transmissions. He is listening to the signals received using an earphone held to his ear. Experiments on wireless communications took place as early as the 1870s,but a practical radio was not developed until work carried out the 1890s that culminated in the work done by the Italian inventor Guglielmo Marconi
Licence : Droits gérés
Crédit: Science Photo Library / Kulyk, Mehau
Taille de l’image : 3900 px × 4620 px
Model Release : Non requis
Property Release : Non requis
Restrictions : -

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