| Reference number | PT/62/8/1 |
| Level | Item |
| Title | Manuscript, 'On the construction of specula of six feet aperture; and a selection of observations of nebulae made therewith' by the Earl of Rosse [William Parsons] |
| Date | [1861] |
| Description | Paper describing the reflecting telescope of six-foot aperture at Birr Castle, Parsonstown, Ireland, then the largest reflecting telescope in the world. Also, observations made using the instrument and guided by Sir John Herschel's catalogue of nebulae.
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.
Abstract published in Abstracts of the Papers Printed in the Philosophical Transactions of the Royal Society of London [later Proceedings of the Royal Society of London], Volume 11, 1862. |
| Extent | 208p |
| Format | Manuscript |
| Physical description | Ink on paper |
| Access status | Open |
| Related material | DOI: 10.1098/rstl.1861.0029 |
| DOI: 10.1098/rspl.1860.0078 |
| Related records in the catalogue | RR/4/219 |
| RR/4/220 |
| PT/62/8 |
Fellows associated with this archive
| Code | Name | Dates |
| NA8084 | Parsons; William (1800 - 1867); 3rd Earl of Rosse | 1800 - 1867 |