| RefNo | RBO/16/44 |
| AltRefNo | RBO.16.234 |
| Level | Item |
| Title | Concerning a man who slept for maximum 30 minutes per day for 20 years before his death |
| Date | 1731 |
| Description | Extracted from two letters to Samuel Horsman: one from Ralph Thoresby dated 10 September 1725 at Leeds; and the other from William Chambers dated 21 February 1726 at Hull Read to the Royal Society on 13 January 1731 |
| Language | English |
| Extent | 2 sides |
| Format | Manuscript |
| Digital images | View item on Science in the Making |
| AccessStatus | Open |