Early Marconi apparatus

Numéro d’image : 11904513
Early Marconi apparatus
Marconi radio equipment on a trans-Atlantic liner. The key at lower right was used to tap out a signal in Morse code,which was transmitted by radio waves. Marconi patented his radio equipment in 1896,founding a company in 1897 to build the new equipment. Marconi's initial aim had been to allow communication with those at sea. He achieved the first trans-Atlantic radio signal in 1901. Photograph published in The March of Commerce (1927),volume 4 of The Pageant of America: A Pictorial History of the United States. This was a 15-volume series that commemorated 150 years since the founding of the USA in 1776
Licence : Droits gérés
Crédit: Science Photo Library / NEW YORK PUBLIC LIBRARY / HUMANITIES & SOCIAL SCIENCES LIBRARY
Taille de l’image : 3420 px × 2559 px
Model Release : Non requis
Property Release : Non requis
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