| RefNo | AP/21/14 | 
| Level | Item | 
| Title | Unpublished paper, 'Description of a self registering thermometer and barometer unveiled by the late James Coggan Esq and bequeathed by him to the Royal Society' by Roderick Impey Murchison | 
| Date | 1838 | 
| Description | Murchison writes that his late friend, Coggan, asked that his self-registering thermometer and barometer be presented to the Royal Society, and shares a brief description of the equipment. Marked on back as 'archives'. 
 Subject: Engineering
 | 
| Extent | 4p | 
| Format | Manuscript | 
| PhysicalDescription | Ink on paper | 
| Digital images | View item on Science in the Making | 
| AccessStatus | Open | 
Fellows associated with this archive
| Code | PersonName | Dates | 
| NA8081 | Murchison; Sir; Roderick Impey (1792 - 1871); geologist and geographer | 1792 - 1871 |