| Rhif Cyf Amg | PENRH/722-727 |
| Teitl | Correspondence between a London gentleman named Trimmer [although the word sometimes looks more like Trimner] and the agents of G.H.D. Pennant in 1827-1828; the former wanted a lease from the Crown to raise slates in the parish of Llandgai and claimed shipping facilities at Aber Ogwen. |
| Disgrifiad | Six letter, ranging in date from July 14, 1823 to May 6, 1828. |
| Dyddiad | 14 July 1823 - 6 May 1828 |
| Extent | 6 |