| Reference number | PT/62/8/61 |
| Previous numbers | PT/62/8/12 |
| Level | Item |
| Title | Photograph, crane for Lord Rosse's telescope at Birr Castle, Ireland by [Mary, Countess of Rosse?] |
| Date | [1861] |
| Description | Study of the crane carrying the eastern counterpoise of the great telescope. The image shows the guide wheel, pulley system, and other features; to the right of the image is the main tube of the telescope almost at zenith. This monoscopic view from a stereoscopic photograph was used to produce the engraving that was published in William Parsons' paper as figure 9 from plate 24.
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 prints, mounted on card |
| Dimensions | 84x174mm |
| Access status | Open |
| Related material | DOI: 10.1098/rstl.1861.0029 |
| DOI: 10.1098/rspl.1860.0078 |
| Related records in the catalogue | PT/62/8 |
| URL description | Digital version available on The Royal Society Picture Library |
| URL | https://pictures.royalsociety.org/image-rs-9087 |
Fellows associated with this archive
| Code | Name | Dates |
| NA8084 | Parsons; William (1800 - 1867); 3rd Earl of Rosse | 1800 - 1867 |