| 31. | The building originally had a diaphone fog signal structure attached, and it was later removed.
|
| 32. | A fog signal building is integrated into the tower.
|
| 33. | Fog signals have received much attention at Point Betsie.
|
| 34. | These included fog signal buildings and elevated iron catwalks, all of which have been removed.
|
| 35. | The present fog signal house was built in 1884.
|
| 36. | In 1885, a fog signal station was constructed nearby.
|
| 37. | The development of fog signal technology continued apace at the end of the 19th century.
|
| 38. | Four rooms in the main house and a small room in the Fog Signal building.
|
| 39. | The fog signal was stopped at the same time.
|
| 40. | Police said the explosives were the fog signals and military-issued thunder flashes, or pyrotechnic devices.
|