| Reference number | LBO/20/22 |
| Alternative reference number | LBO/20/62 |
| Level | File |
| Title | Copy letter from Monsieur Rocquette, St Petersburg, to the Royal Society |
| Date | 24 June 1732 |
| Description | ' A letter enclosing his System of the Sphere, and a mithod for finding teh Longitude at Sea. '
Rear at the Royal Society on 18 January 1732/1733 |
| Language | French |
| Extent | 2p |
| Format | Mimeograph |
| Access status | Open |
| Related material | LBO/20/23; |