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The whistle buoy at the left utilizes the motion of the waves to blow a whistle. The light buoy in the centre has an automatic light that burns gas stored in the body of the buoy. The bell buoy at the right carries a bell, against which four clappers are pounded by the action of the waves.

Author

Ships of the seven seas
By Hawthorne Daniel
Contributor: Franklin D Roosevelt
Published 1925
Available from gutenberg.org or archive.org

Posted on

Saturday 10 February 2024

Dimensions

1000*698

Tags

Albums

• Technology / Transport / Water

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264

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18