| RefNo | LBO/4/56 |
| AltRefNo | LBO/4/139 |
| Level | File |
| Title | Copy letter from John Flamsteed to Henry Oldenburg |
| Date | 13 December 1670 |
| Description | ' About the Moon's Transit by Venus on 1 October 1670.' |
| Extent | 3p |
| Format | Manuscript |
| AccessStatus | Open |
| RelatedMaterial | Copy of l etter also in LBC.4.191
For Answer by Oldenburgon 23 December 1670 see LBC.4.203 |