| Reference number | LBO/4/4 |
| Alternative reference number | LBO/4/7 |
| Level | File |
| Title | Copy extract of a letter from Dr Paisen, Hamburg, to Henry Oldenburg |
| Date | 19 April 1670 |
| Description | ' concerning a double-Refracting stone sent by Erasmus Bartholin ; and the publishing of some MSS of Dr Iungius ' |
| Language | Latin |
| Extent | 3p |
| Format | Manuscript |
| Access status | Open |