Mirror for the Great Rosse Telescope, 1844-1846
Six-foot speculum [metal] mirror on travelling carriage from the Great Rosse Telescope, the 'Leviathan of Parsonstown', built by the Third Earl of Rosse at Birr, Ireland, 1844-46.
- Measurements:
-
overall: 750 mm x 2460 mm x 2260 mm, 4120kg
- Materials:
- speculum (alloy of copper and tin) , cast iron , wrought iron and textile
- Object Number:
- 1914-370/1
- type:
- speculum mirror