![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
![The Leviathan (telescope) at Birr Castle, County Offaly, Ireland. Built between 1841 and 1845 by the 3rd Earl of Ros… | County offaly, Castles in ireland, Astronomy The Leviathan (telescope) at Birr Castle, County Offaly, Ireland. Built between 1841 and 1845 by the 3rd Earl of Ros… | County offaly, Castles in ireland, Astronomy](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, Castles in ireland, Astronomy
![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)