| RefNo | EL/W3/1 |
| Level | Item |
| Title | Observations of the anatomy of crayfish by Jean Gaspar de Woulffen for Monsieur de Mayerne |
| Creator | Woulffen; Jean Gaspar de (fl. 1642) |
| Recipient | Mayerne; Théodore Turquet de (1573-1655); Genevan-born physician; physician to the king of England and to the king of France; baron d'Aubonne |
| Date | 1642 |
| Language | English |
| French |
| Extent | 7p |
| Format | Manuscript |
| Digital images | View item on Science in the Making |
| AccessStatus | Open |
| URLDescription | Also available on Early Modern Letters Online |