Additional examples are adjusted to the entries in an automated way - we cannot guarantee that they are correct.
There is no longer a fog signal at this site.
A fog signal building was added and both structures still stand today.
The light was also mounted on top of the fog signal building.
Several advances in the technology of fog signals were made during the 1850s.
The failure to place a fog signal would have been a factor.
A fog signal may be sounded from a separate building.
At that time a fog signal building was added to the tower.
The fog signal gives a single 2 second blast every 20 seconds.
The fog signal was essential in days before radar and radio.
The light and fog signal have been solar-powered since 2006.
The new fog signal is operated in the original bell house.
The fog signal was stopped at the same time.
This and the fog signal building were all that remained of the original buildings.
Pages eight and nine - well, fog signals hardly apply.
The engineer's report specified a powerful fog signal was also required at the site.
The original stucco fog signal building was restored in 2001.
Several cannons used as fog signals can be found near the tower.
Built in 1898, it included living quarters for a staff of seven, who maintained the light and its associated fog signal.
A fog signal was installed about a month later.
The fog signal station is a model plant and contains all the latest improvements.
He occasionally sounded a fog signal of one prolonged blast.
The current electric fog signal was installed in 1975, replacing older equipment.
The fog signal was discontinued the same year and the station automated.
The fog signal at the station was reestablished in 1901, and served for the next ten years.
The site originally also had a fog signal, originating from a separate building.