| RefNo | RB/1/20/35 |
| Previous numbers | BP 20, pp. 293-5 |
| Level | Item |
| Title | 'An Account of Pendulums. by Mr. Hooke. |
| Date | 21 November 1666 |
| Description | Hand: N |
| Language | English |
| Extent | pp. 293-5 (2 leaves) |
| Format | Manuscript |
| AccessStatus | Open |
| RelatedMaterial | Birch, 'Royal Society', vol. 2, pp. 126-7. |