![The Leviathan of Parsonstown, Birr Castle. The 6ft telescope was built in 1845 by William Parsons, 3rd Earl of Rosse, and remained the largest telescope in the world for 70 years - The Leviathan of Parsonstown, Birr Castle. The 6ft telescope was built in 1845 by William Parsons, 3rd Earl of Rosse, and remained the largest telescope in the world for 70 years -](https://andreas-und-angelika.de/galleries/andreas/2019-06_Ireland/photos/aka-Ireland-2019-06-16__D5X6176.jpg)
The Leviathan of Parsonstown, Birr Castle. The 6ft telescope was built in 1845 by William Parsons, 3rd Earl of Rosse, and remained the largest telescope in the world for 70 years -
![Leviathan telescope. Coloured historical artwork of the 1.8 metre (m) telescope named the Leviathan of Parsontown. It was completed by William Parsons Stock Photo - Alamy Leviathan telescope. Coloured historical artwork of the 1.8 metre (m) telescope named the Leviathan of Parsontown. It was completed by William Parsons Stock Photo - Alamy](https://c8.alamy.com/comp/2ADM1TY/leviathan-telescope-coloured-historical-artwork-of-the-18-metre-m-telescope-named-the-leviathan-of-parsontown-it-was-completed-by-william-parsons-2ADM1TY.jpg)
Leviathan telescope. Coloured historical artwork of the 1.8 metre (m) telescope named the Leviathan of Parsontown. It was completed by William Parsons Stock Photo - Alamy
![Photograph by Colonel Harry J Watson showing the Great Rosse Telescope from the southeast. Constructed between 1842 and 1845 by William Parsons, Third... - SuperStock Photograph by Colonel Harry J Watson showing the Great Rosse Telescope from the southeast. Constructed between 1842 and 1845 by William Parsons, Third... - SuperStock](https://www.superstock.com/cdn/1895/Comp/1895-3745.webp)
Photograph by Colonel Harry J Watson showing the Great Rosse Telescope from the southeast. Constructed between 1842 and 1845 by William Parsons, Third... - SuperStock
![Rob Cross on X: "William Parsons, the 3rd Earl of Rosse with the largest telescope in the world which he designed and built in the early 1840s at Birr Castle, Parsonstown in Rob Cross on X: "William Parsons, the 3rd Earl of Rosse with the largest telescope in the world which he designed and built in the early 1840s at Birr Castle, Parsonstown in](https://pbs.twimg.com/media/E0p44AOWEAA88-v.jpg:large)
Rob Cross on X: "William Parsons, the 3rd Earl of Rosse with the largest telescope in the world which he designed and built in the early 1840s at Birr Castle, Parsonstown in
![Telescope Parsons 1845 Nthe Great Leviathan Telescope Built in 1845 by The Irish Astronomer William Parsons 3Rd Earl of Rosse Wood Engraving from A ... Telescope Parsons 1845 Nthe Great Leviathan Telescope Built in 1845 by The Irish Astronomer William Parsons 3Rd Earl of Rosse Wood Engraving from A ...](https://m.media-amazon.com/images/I/71eDv91NHWL._AC_UF894,1000_QL80_.jpg)
Telescope Parsons 1845 Nthe Great Leviathan Telescope Built in 1845 by The Irish Astronomer William Parsons 3Rd Earl of Rosse Wood Engraving from A ...
![The Leviathan of Parsonstown, the 72 inch telescope built by William Parsons, 3rd Earl of Rosse, in 1845. It was located at Birr Castle, Parsonstown, County Offaly, Ireland and was the largest The Leviathan of Parsonstown, the 72 inch telescope built by William Parsons, 3rd Earl of Rosse, in 1845. It was located at Birr Castle, Parsonstown, County Offaly, Ireland and was the largest](https://c8.alamy.com/comp/2G6HB08/the-leviathan-of-parsonstown-the-72-inch-telescope-built-by-william-parsons-3rd-earl-of-rosse-in-1845-it-was-located-at-birr-castle-parsonstown-county-offaly-ireland-and-was-the-largest-telescope-built-in-the-19th-century-parsonstown-is-now-known-as-birr-the-telescope-can-still-be-seen-at-irelands-historic-science-centre-at-birr-castle-from-the-universe-or-the-infinitely-great-and-the-infinitely-little-published-1882-2G6HB08.jpg)
The Leviathan of Parsonstown, the 72 inch telescope built by William Parsons, 3rd Earl of Rosse, in 1845. It was located at Birr Castle, Parsonstown, County Offaly, Ireland and was the largest
![Some figures stand next to it and look at the telescope. Telescope of William Parsons in Ireland The Telescope of Lord Rosse , print maker: Carel Christiaan Antony Last, ( - Album alb9395550 Some figures stand next to it and look at the telescope. Telescope of William Parsons in Ireland The Telescope of Lord Rosse , print maker: Carel Christiaan Antony Last, ( - Album alb9395550](https://www.album-online.com/photos/prev/ZmUxMGI3MA/album_alb9395550.jpg)