| RefNo | RB/1/44/3 |
| Previous numbers | BP 44, fols. 23-28 |
| Level | Item |
| Title | John Wallis' comments on 'Usefulness', together with observation concerning numbness. |
| Date | [1663] |
| Description | Sent with letter from Wallis to Boyle dated 10 September 1663.\r\nHand: John Wallis |
| Language | English |
| Extent | Fols. 23-28 (6 leaves) |
| Format | Manuscript |
| AccessStatus | Open |
| RelatedMaterial | Published in 'Correspondence', vol. 2, pp. 112-19. |