An illustration of Guglielmo Marconi (1874-1937),then aged 21,in his father's garden at Pontecchio,conducting early experiments with a transmitter which produced a spark between two balls,one connected to a metal plate suspended in the air,the other | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / NYPL / Science Source |
Bildgröße: | 2724 px × 4176 px |
Modell-Rechte: | Derzeit liegt noch kein Release vor. Bitte kontaktieren Sie uns vor Verwendung. |
Eigentums-Rechte: | nicht erforderlich |
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