| Event type: | Old Glory |
| Date: | 14th March 2024 |
| Group: | Old Glory |
| Venue: | Billington Village hall |
Speaker - Frank Iddiols - Triangulation Stations locally and how Ordnance Survey used them
| Event type: | Old Glory |
| Date: | 14th March 2024 |
| Group: | Old Glory |
| Venue: | Billington Village hall |
Speaker - Frank Iddiols - Triangulation Stations locally and how Ordnance Survey used them