| RefNo | RB/1/20/6 |
| Previous numbers | BP 20, pp. 159-65 |
| Level | Item |
| Title | Christian Huygens' hypothesis of motion |
| Date | 1669 |
| Description | Cf. Birch, 'Royal Society', vol. 2, p. 337. \r\nHand: N |
| Language | English |
| Extent | pp. 159-65 (3 leaves) |
| Format | Manuscript |
| AccessStatus | Open |
| RelatedMaterial | Huygens, 'Oeuvres Completes', vol. 6 (1895), pp. 336-43.\r\nSee also BP 25, pp. 137-44. |