![The Rosse six-foot telescope ( also known as Leviathan of Parsonstown). A reflecting telescope of 72 in (1.8 m) aperture, which wa largest telescope in the world from 1845 until the construction The Rosse six-foot telescope ( also known as Leviathan of Parsonstown). A reflecting telescope of 72 in (1.8 m) aperture, which wa largest telescope in the world from 1845 until the construction](https://c8.alamy.com/comp/JF90C7/the-rosse-six-foot-telescope-also-known-as-leviathan-of-parsonstown-JF90C7.jpg)
The Rosse six-foot telescope ( also known as Leviathan of Parsonstown). A reflecting telescope of 72 in (1.8 m) aperture, which wa largest telescope in the world from 1845 until the construction
![Caption: The 1.83-meter (72-inch) Leviathan of Parsonstown was the record largest telescope (i.e., the telescope with the largest primary) until 1917 when it was superpassed by the 2.54-meter (100-inch) Hooker telescope at Mount Wilson Observatory in ... Caption: The 1.83-meter (72-inch) Leviathan of Parsonstown was the record largest telescope (i.e., the telescope with the largest primary) until 1917 when it was superpassed by the 2.54-meter (100-inch) Hooker telescope at Mount Wilson Observatory in ...](http://upload.wikimedia.org/wikipedia/commons/3/30/WilliamParsonsBigTelescope.jpg)
Caption: The 1.83-meter (72-inch) Leviathan of Parsonstown was the record largest telescope (i.e., the telescope with the largest primary) until 1917 when it was superpassed by the 2.54-meter (100-inch) Hooker telescope at Mount Wilson Observatory in ...
![The Leviathan (telescope) at Birr Castle, County Offaly, Ireland. Built between 1841 and 1845 by the 3rd Earl of Ros… | County offaly, Astronomy, Castles in ireland The Leviathan (telescope) at Birr Castle, County Offaly, Ireland. Built between 1841 and 1845 by the 3rd Earl of Ros… | County offaly, Astronomy, Castles in ireland](https://i.pinimg.com/736x/bc/e3/72/bce3724707524b54c4483617f7206c08--astronomy-the-great.jpg)
The Leviathan (telescope) at Birr Castle, County Offaly, Ireland. Built between 1841 and 1845 by the 3rd Earl of Ros… | County offaly, Astronomy, Castles in ireland
![72-inch reflecting telescope at Birr Castle, Parsonstown, Ireland. " Leviathan," completed in 1845, was the world's largest telescope until the early 20th century. William Parsons, 3rd Earl of Rosse (June 17, 1800 - 72-inch reflecting telescope at Birr Castle, Parsonstown, Ireland. " Leviathan," completed in 1845, was the world's largest telescope until the early 20th century. William Parsons, 3rd Earl of Rosse (June 17, 1800 -](https://c8.alamy.com/zooms/6/e49243c6d7a940af9f51b87f70d84b9a/2g6hb08.jpg)
72-inch reflecting telescope at Birr Castle, Parsonstown, Ireland. " Leviathan," completed in 1845, was the world's largest telescope until the early 20th century. William Parsons, 3rd Earl of Rosse (June 17, 1800 -
![The Rosse six-foot telescope ( also known as Leviathan of Parsonstown). A reflecting telescope of 72 in (1.8 m) aperture, which wa largest telescope in the world from 1845 until the construction The Rosse six-foot telescope ( also known as Leviathan of Parsonstown). A reflecting telescope of 72 in (1.8 m) aperture, which wa largest telescope in the world from 1845 until the construction](https://c8.alamy.com/comp/JF9026/the-rosse-six-foot-telescope-also-known-as-leviathan-of-parsonstown-JF9026.jpg)
The Rosse six-foot telescope ( also known as Leviathan of Parsonstown). A reflecting telescope of 72 in (1.8 m) aperture, which wa largest telescope in the world from 1845 until the construction
Leviathan Telescope (otherwise known as Lord Rosse's Telescope) at Birr Castle, Ireland - Mary Rosse, Countess of Rosse (nee Mary Field) (1813-1885) — Google Arts & Culture
![The Leviathan of Parsonstown or Lord Rosse 's monster telescope, XIX century Stock Illustration | Adobe Stock The Leviathan of Parsonstown or Lord Rosse 's monster telescope, XIX century Stock Illustration | Adobe Stock](https://as2.ftcdn.net/v2/jpg/01/26/73/67/1000_F_126736749_XR7fkxJMRNKKRPVj4SxjNNnHgskrp5FC.jpg)