| Reference number | CLP/2/9 |
| Level | Item |
| Title | Extract of a letter, regarding Campani's telescope from J Henricus Rohnius to [John Pell?] |
| Date | 17 April 1675 |
| Description | Rohnius describes his long-standing interest in optics and discusses telescopes with multiple lenses.
Subject: Astronomy |
| Language | Latin |
| Extent | 1p |
| 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 |
| NA8085 | Pell; John (1611 - 1685); mathematician | 1611 - 1685 |