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Mary Rosse
Lord Rosse's telescope at Birr Castle, Ireland
1861
Albumen prints, mounted
The Royal Society
Product code: RS-9089
LL/58681
Plate 24 figures 1-11 for the paper "On the construction of specula of six-feet aperture; and a selection from the observations of nebulae made with them", by William Parsons, 3rd Earl of Rosse, Philosophical Transactions of the Royal Society, volume 151 (1861) pp.681-746. Reduced versions of images and cut stereoscopic views of the telescope arranged on a backing board for the engraver. The images are numbered and overwritten with key letters in ink. The paper contained larger versions of most of these images, however figures 10-11 [universal joint bearing the main tube] are only present on this collected sheet.
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