| Collection | GB 0231 University of Aberdeen, Special Collections |
| Level | Item |
| Ref No | MS 2381/2 |
| Title | 'On the necessity of employing one universal system of marine night signals' by R. Rettie, London |
| Date | 1847 |
| Extent | 1 item |
| Description | With MS notes on fly leaves. |
| Access Status | Open |