|Title||Photograph, Lord Rosse's telescope at Birr Castle, Ireland by [Mary Parsons, Countess of Rosse?]|
|Description||The great telescope seen from the south-east, the stage of the first gallery slightly raised. The instrument's scale is demonstrated by groups of figures: to the right of the telescope as viewed, William Parsons, Earl of Rosse stands with two of his children; to the left of the instrument two gentlemen stand on a raised platform. This stereoscopic photograph was used to produce the engraving that was published in William Parsons' paper as figure 5 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.
|Physical description||Albumen prints, mounted on card|
|Related material||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|
Fellows associated with this archive
|NA8084||Parsons; William (1800 - 1867); 3rd Earl of Rosse||1800 - 1867|