| Caption | A swinging-type beacon – a wooden pole with a hook, at the one end of which is a light basket and the other hand a counter-weight |
|---|---|
| Author | Alar Savelli |
| Copyright |
| Caption | A swinging-type beacon – a wooden pole with a hook, at the one end of which is a light basket and the other hand a counter-weight |
|---|---|
| Author | Alar Savelli |
| Copyright |