Bicycle radio antenna. The bike is being used to support an improvised radio antenna to enable reception of radio signals being listened to by the operator. Radio technology was developed in the 1890s,with the range of broadcasts increasing as the technology and antenna designs improved. Photograph published in 'La Telegraphie Sans Fil' (Wireless Telegraphy,1914),by the French geophysicist Alphonse Berget (1860-1934) | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library |
Bildgröße: | 3299 px × 5324 px |
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