Telescope speculum grinding tool for Lord Rosse's 72-inch telescope at Birr Castle, Ireland mb-code WA5567941 this church was first established

this church was first established as a priory in 1123

although William Morris described it as 'the supremest specimen of all ugliness'

Father Thames is being buffeted by the waters of the capital's river

'A masquerade scene

13th December 1936

Telescope speculum grinding tool for Lord Rosse's 72-inch telescope at Birr Castle, Ireland mb-code WA5567941 this church was first establishedPlate 24 figure 4 from the paper "On the construction of specula of six feet aperture; and a selection from the observations of nebulae made with them", by William Parsons, 3rd Earl of Rosse, Philosophical Transactions of the Royal Society, volume 151 (1861) pp. 681 746. A front view of the cast iron grinding tool used to produce the speculum of the reflecting telescope at Birr Castle, Parsonstown. The face has straight cast grooves forming squares