| Reference number | LBO/25/36 |
| Alternative reference number | LBO/25/111 |
| Level | File |
| Title | Copy extract of a letter from Joseph Breintnall, Philadelphia, to Peter Collinson |
| Date | 9 May 1738 |
| Description | ' Concerning some uncommon Aurorae Borealis, or red Meteors seen there, and two Shocks of an Earthquake.'
Read at the Royal Society on 14 December 1738 |
| Extent | 2p |
| Format | Manuscript |
| Access status | Open |