| Reference number | LBO/1/43 |
| Alternative reference number | LBO/1/114 |
| Level | File |
| Title | Copy letter from Johannes Hevelius, Gdansk, to Henry Oldenburg |
| Date | 4 January 1664 |
| Description | Written at Gedani [Gdansk] 4 January 1664 Gregorian style
Letter written in answer to the previous letter from Henry Oldenburg |
| Language | Latin |
| Extent | 3p |
| Format | Manuscript |
| Access status | Open |