| Reference number | RBO/9/17 |
| Alternative reference number | RBO.9.23 |
| Level | Item |
| Title | 'A Description of an Instrument to observe the celestial motion etc by reflexion thro' a Telescope without elevating the Telescope towards the object' by Edmond Halley |
| Date | nd |
| Description | Read to the Royal Society on 23 March 1691 |
| Language | English |
| Extent | 2 sides |
| Format | Manuscript |
| Access status | Open |
| Related records in the catalogue | CLP/21/51 |
Fellows associated with this archive
| Code | Name | Dates |
| NA8423 | Halley; Edmond (1656 - 1742); astronomer | 1656 - 1742 |