| Reference number | LBO/25/55 |
| Alternative reference number | LBO/25/211 |
| Level | File |
| Title | Copy Postscript of a Letter from H Gaylor to Cromwell Mortimer |
| Date | 31 January 1739 |
| Description | ' Concerning Eruptions appearing in Persons who had had the Small Pox. '
Read to the Royal Society on 22 February 1738/1739 |
| Extent | 2p |
| Format | Manuscript |
| Access status | Open |