| Reference number | CB/1/4/112 |
| Alternative reference number | BLA.H.10 |
| Level | Item |
| Title | Letter from Dr Hanstein to Baron de Treba, Director of Mines in the service of His Britannic Majesty the Elector of Hanover |
| Date | 20 March 1793 |
| Description | Letter recommending Blagden. |
| Language | German |
| Extent | 2 sheets |
| Format | Manuscript |
| Access status | Open |