Birr Castle. 3 ft and 6 ft telescopes. William, 3rd Earl of Rosse directing the conveyance of the great speculum. 1845. Painting by Henrietta Crompton.
Painted by Henrietta Crompton. Scanned by <a href="//commons.wikimedia.org/w/index.php?title=User:Chi_And_H&amp;action=edit&amp;redlink=1" class="new" title="User:Chi And H (page does not exist)">User:Chi And H</a>.
Postcard from Birr Castle visitor centre.