| Reference number | PT/62/8/50 |
| Level | Item |
| Title | Photograph, universal joint from specula by unknown artist |
| Date | June 1861 |
| Description | Photographic print showing the universal joint holding the tube of Parsons' specula. The photograph was published in the paper as an engraved figure.
Subject: Scientific Instruments / Astronomy
Published in Philosophical Transactions as 'On the construction of specula of six-feet aperture; and a selection from the observations of nebulæ made with them'.
Received by the Royal Society on 5 June 1861. Read 20 June 1861. |
| Extent | 1p |
| Format | Photograph |
| Physical description | Albumen print mounted on card |
| Access status | Open |
| Related material | DOI: 10.1098/rspl.1860.0078 |
| DOI: 10.1098/rstl.1861.0029 |
| Related records in the catalogue | RR/4/219 |
| RR/4/220 |
| PT/62/8/42 |
| PT/62/8/3 |
Fellows associated with this archive
| Code | Name | Dates |
| NA8084 | Parsons; William (1800 - 1867); 3rd Earl of Rosse | 1800 - 1867 |