Telescope speculum grinding tool for Lord Rosse's 72-inch telescope at Birr Castle, Ireland Size:L: 100 x 80cm 1st May 1952

1st May 1952

and the contentious Land Bill is looming

Plate 3 from Histoire anatomique et physiologique d'un organe de nature vasculaire dÚcouvert dans les cÚtacÚs

and this is why Parnell is depicted as a deer-stalker

The Pied Bull is the site where Sir Walter Raleigh is reputed to have first smoked tobacco

Telescope speculum grinding tool for Lord Rosse's 72-inch telescope at Birr Castle, Ireland Size:L: 100 x 80cm 1st May 1952Plate 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