|
SEMAPHORE STATION |
|
| UF |
Semaphore Semaphore Tower |
| SN | A signal station incorporating equipment for visually conveying coded communications. |
| CL |
DEFENCE |
| BT | MILITARY SIGNALLING SITE |
| RT |
RAILWAY LOOKOUT TOWER
TELEGRAPH STATION
|
|
SEMAPHORE STATION |
|
| UF |
Semaphore Semaphore Tower |
| SN | A signal station incorporating equipment for visually conveying coded communications. |
| CL |
COMMUNICATIONS |
| BT | SIGNALLING STRUCTURE |
| RT |
RAILWAY LOOKOUT TOWER
SHUTTER TELEGRAPH STATION
|