| RefNo | RB/1/20/42 |
| Previous numbers | BP 20, pp. 422-5 |
| Level | Item |
| Title | 'The manner of Hatching Chicken at Cairo, observed by Mr. John Graves [sic] 1639', |
| Date | c 1668 |
| Description | Communicated to the Royal Society by Sir George Ent, 5 March 1667/68 (cf. Birch, 'Royal Society', vol. 2, p. 255.\r\nHand: N |
| Language | English |
| Extent | pp. 422-5 (2 leaves) |
| Format | Manuscript |
| AccessStatus | Open |
| RelatedMaterial | 'Phil. Trans.', vol. 12 (1677), pp. 923-5. |