| Reference number | LBO/18/95 |
| Alternative reference number | LBO/18/241 |
| Level | File |
| Title | Copy of letter from Dr Perrot Williams |
| Date | 30 August 1725 |
| Description | Written at Haverford West
' Observations on the Weather communicated by Dr Williams. '
Includes a drawing of part of the Scale of the Thermometer |
| Extent | 3p |
| Format | Manuscript |
| Access status | Open |