Related Overviews


More Like This

Show all results sharing these subjects:

  • Warfare and Defence
  • Maritime History


Quick Reference

A sound appliance fitted in ships, or a portable horn carried on board small craft, used for giving warning of a vessel's presence in fog. Fog signals are also made with foghorns by lighthouses, and by lightships but only when they are in their correct position.

Subjects: Warfare and Defence — Maritime History.

Reference entries