1.   The fog horn started booming, a deep, thrilling vibration that Madame Astarti could feel resonate in her bones.

2.   Fog horns on land and bridges, and bells and clappers on buoys make the racket of the Bay.

3.   In the background, a fog horn on Waadah Island played a haunting, two-note tune.

4.   No fog horn.

5.   Standing in the fairway, he knew the flag was out there somewhere, but without a fog horn, he was just guessing at the exact direction.

6.   The most interesting fog horn is Alcatraz South, which sounds like an Andrew Lloyd Webber chord.

7.   Impromptu concerts of saxophones, bongos and guitars set a backdrop to bursting firecrackers and the din of canned fog horns.

8.   Rouen echoed with the sound of fog horns signaling the departure of the ships, one by one.

9.   Ships in the western port of Patras blared their fog horns.

10.   The strikers let off fire crackers, sounded fog horns and lit flares, filling the premises with thick red smoke.