| Reference number | L&P/4/279 |
| Level | Item |
| Title | Letter, 'Of an improved barometer' from James Ferguson to Thomas Birch |
| Date | 8 November 1765 |
| Description | Contains figure.
Subject: Engineering
Read 14 November 1765 |
| Extent | 3p |
| Format | Manuscript |
| Physical description | Ink on paper |
| Digital images | View item on Science in the Making |
| Access status | Open |
Fellows associated with this archive
| Code | Name | Dates |
| NA2399 | Ferguson; James (1710 - 1776) | 1710 - 1776 |
| NA8129 | Birch; Thomas (1705 - 1766) | 1705 - 1766 |