![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 ...
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
![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/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
![Image of TELESCOPE: WILLIAM PARSONS. - The Great 'Leviathan' Telescope Constructed In 1845 By The Irish Astronomer William Parsons, 3rd Earl Of Rosse. Contemporary English Engraving. From Granger - Historical Picture Archive Image of TELESCOPE: WILLIAM PARSONS. - The Great 'Leviathan' Telescope Constructed In 1845 By The Irish Astronomer William Parsons, 3rd Earl Of Rosse. Contemporary English Engraving. From Granger - Historical Picture Archive](https://www.granger.com/wmpix/sci/ast/0027500-TELESCOPE-WILLIAM-PARSONS-The-great-Leviathan-telescope-constructed-in-1845-by-the-Irish-astronomer-William-Parsons-3rd-Earl-of-Rosse-Contemporary-English-engraving.jpg)
Image of TELESCOPE: WILLIAM PARSONS. - The Great 'Leviathan' Telescope Constructed In 1845 By The Irish Astronomer William Parsons, 3rd Earl Of Rosse. Contemporary English Engraving. From Granger - Historical Picture Archive
![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)
The Leviathan of Parsonstown or Lord Rosse 's monster telescope, XIX century Stock Illustration | Adobe Stock
![Telescope: Parsons, 1845. /Nthe Great 'Leviathan' Telescope Built In 1845 By The Irish Astronomer William Parsons, Telescope: Parsons, 1845. /Nthe Great 'Leviathan' Telescope Built In 1845 By The Irish Astronomer William Parsons,](https://cdn11.bigcommerce.com/s-yzgoj/images/stencil/1280x1280/products/1569951/4914101/apie16ful__70739.1626770179.jpg?c=2)
Telescope: Parsons, 1845. /Nthe Great 'Leviathan' Telescope Built In 1845 By The Irish Astronomer William Parsons,
![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
![Teleskop Leviathan von 1845 Foto & Bild | reportage dokumentation, wissenschaft, irland Bilder auf fotocommunity Teleskop Leviathan von 1845 Foto & Bild | reportage dokumentation, wissenschaft, irland Bilder auf fotocommunity](https://img.fotocommunity.com/teleskop-leviathan-von-1845-18d694da-0054-47f3-a8ed-3ec076328201.jpg?width=1000)