Daily Archives: October 2nd, 2012

How does a foghorn work?

The greatest diaphone foghorns are worked by blasts of air. When log closes in, the foghorns begin.  They warn ships of dangerous rocks and shoals.  Perhaps the most familiar kind of foghorn, is the deep, horse bellow of the foghorn called it “diaphone.” Diaphone foghorns are worked by blasts of air, and often sound two-toned …

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