| RefNo | RB/1/8/7 |
| Previous numbers | BP 8, fol. 61 |
| Level | Item |
| Title | Material relating to 'Usefulness'. |
| Date | Early 1660s |
| Description | (1) Further unpublished fragment of original version of the work, p. 66. \r\n(2) Fol. 61v: Passage marked for insertion, partly published in fifth paragraph of section II in `Naturalist's Insight into Trades'.\r\nHand: Rounded 1650s |
| Language | English |
| Extent | Fol. 61 (1 leaf) |
| Format | Manuscript |
| AccessStatus | Open |
| RelatedMaterial | (1) Published in 'Works', vol. 13, p. 296.\r\n(2) 'Works', vol. 6, p. 473. |