The foghorn, or Siren, was mechanical device designed to alert shipping to the presence of hazards at sea by means of a loud booming noise. Foghorns w
The foghorn, or Siren, was mechanical device designed to alert shipping to the presence of hazards at sea by means of a loud booming noise. Foghorns were used when fog obscured the light from lighthouses.
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Photo credit: © DAVID PARKER/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No
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