| RefNo | RB/1/10/64 |
| Previous numbers | BP 10, fols. 90-2 |
| Level | Item |
| Title | Title and introductory section from unpublished `Essay the XI' of 'Usefulness' etc. |
| Date | 1660s |
| Description | About reasons to hope for great things from natural philosophy, with partial list of propositions (numbered 6 to 14) to be treated. Brief notes follow on fol. 92.\r\nHand: G, Greg |
| Language | English |
| Extent | Fols. 90-2 (3 leaves) |
| Format | Manuscript |
| AccessStatus | Open |
| RelatedMaterial | 'Usefulness' material published in 'Works', vol. 13, pp. 348-9. |