| RefNo | EL/P1/2 | 
| Level | Item | 
| Title | Observations of the magnetic declination at Paris by Pierre Petit | 
| Date | nd | 
| Language | Latin | 
| Extent | 1p | 
| Format | Manuscript | 
| Digital images | View item on Science in the Making | 
| AccessStatus | Open | 
| RelatedMaterial | Transcribed and translated in 'The correspondence of Henry Oldenburg', ed and trans by A Rupert Hall & Marie Boas Hall, vol 1, p 400 | 
| URLDescription | Also available on Early Modern Letters Online | 
Fellows associated with this archive
| Code | PersonName | Dates | 
| NA4518 | Petit; Pierre (? 1594 - 1677); engineer and astronomer | ? 1594 - 1677 |