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TIMEBALL TOWER |
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| SN | A structure for visually communicating the exact time to ships in anchorage. A ball slides down a mast at the top of the tower, usually at noon or one o'clock exactly. |
| CL |
COMMUNICATIONS |
| BT | SIGNAL TOWER |
| RT |
BEACON
LIGHTHOUSE MILL
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TIMEBALL TOWER |
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| SN | A structure for visually communicating the exact time to ships in anchorage. A ball slides down a mast at the top of the tower, usually at noon or one o'clock exactly. |
| CL |
MARITIME |
| BT | NAVIGATION AID |
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