| RefNo | RB/1/30/4 |
| Previous numbers | BP 30, pp. 177-229 |
| Level | Item |
| Title | Unpublished Latin translation of `Fixedness' ('Mechanical Qualities') |
| Date | ? 1680s |
| Description | Has running head on each page.\r\nHand: L |
| Language | Latin |
| Extent | pp. 177-229 (27 leaves) |
| Format | Manuscript |
| AccessStatus | Open |
| RelatedMaterial | 'Works', vol. 8, pp. 443-55. |