| RefNo | RBO/11/28 | 
| AltRefNo | RBO.11.123 | 
| Level | Item | 
| Title | 'Of the Infinity of the System of the World' by Edmond Halley | 
| Date | nd | 
| Description | Read to the Royal Society on 9 March 1720 | 
| Language | English | 
| Extent | 2 sides | 
| Format | Manuscript | 
| Digital images | View item on Science in the Making | 
| AccessStatus | Open | 
Fellows associated with this archive
| Code | PersonName | Dates | 
| NA8423 | Halley; Edmond (1656 - 1742); astronomer | 1656 - 1742 |