Guglielmo Marconi (1874-1937),Italian physicist and inventor. Radio pioneer. Marconi with typical apparatus,including 10-inch induction coil spark transmitter (right),morse inker and 'grasshopper' key in centre. Photograph | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / UIG / Universal History Archive |
Taille de l’image : | 6000 px × 3832 px |
Model Release : | Le droit n'est pas encore disponible. Merci de nous contacter avant utilisation. |
Property Release : | Non requis |
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