| Reference number | CLP/1/16/1 |
| Level | Item |
| Title | Manuscript, regarding theories about equilateral triangles by unknown author |
| Date | 11 March 1671 |
| Description | Letter in French with a suggestion for a solution for finding the centre of the movement of a pendulum ('le centre d'agitation d'un funipandule').
Subject: Geometry / Natural Philosophy
Written at Lyon [France]. |
| Language | French |
| Extent | 2p |
| Format | Manuscript |
| Physical description | Ink on paper |
| Access status | Open |
| Related records in the catalogue | CLP/1/16 |
| CLP/1/16/2 |