| Collection | GB 0231 University of Aberdeen, Special Collections |
| Level | Item |
| Ref No | MS 2381/8 |
| Title | Petition by R. Rettie to House of Commons |
| Date | 1852 |
| Extent | 1 file |
| Description | Concerning rights to his invention of coloured signals for safet at sea; with printed copies of his correspondence with the Admiralty. |
| Access Status | Open |