Telescope speculum grinding tool for Lord Rosse's 72-inch telescope at Birr Castle, Ireland Images A-I Figures around the resevoir are

Figures around the resevoir are helping with the rescue while a child is crying

foregrounding the approach by bridge

and is full of flowers

facing to the left as viewed

Telescope speculum grinding tool for Lord Rosse's 72-inch telescope at Birr Castle, Ireland Images A-I Figures around the resevoir arePlate 24 figure 3 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 rear view of the cast iron grinding tool used to produce the speculum (mirror) of the reflecting telescope at Birr Castle, Parsonstown, Ireland. The circular tool is shown suspended