Marconi radio apparatus
Bildnummer 11904514
| Marconi radio equipment on a ship. The equipment includes headphones and a Morse code key (lower centre). The equipment is labelled (left-right): continuous wave transmitter; direction finder; receiver; spark transmitter (all on left wall); emergency transmitter (right wall). Marconi patented his radio equipment in 1896. His initial aim had been to allow communication with those at sea. He achieved the first trans-Atlantic radio signal in 1901. Photographed for The March of Commerce (1927),volume 4 of The Pageant of America: A Pictorial History of the United States,a 15-volume series that commemorated 150 years since the founding of the USA in 1776 | |
| Lizenzart: | Lizenzpflichtig |
| Credit: | Science Photo Library / NEW YORK PUBLIC LIBRARY / HUMANITIES & SOCIAL SCIENCES LIBRARY |
| Bildgröße: | 3385 px × 2580 px |
| Modell-Rechte: | nicht erforderlich |
| Eigentums-Rechte: | nicht erforderlich |
| Restrictions: | - |
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