Marconi radio equipment on a ship. The equipment includes headphones and a Morse code key (lower centre). The equipment is labelled (left-right): cont

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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.

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Size: 3385px × 2580px
Photo credit: © HUMANITIES & SOCIAL SCIENCES LIBRARY/NEW YORK PUBLIC LIBRARY/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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