Telescope speculum for Lord Rosse's 72-inch telescope at Birr Castle, Ireland Size:L: 100 x 80cm Duke of Brittany

Duke of Brittany

He and Lady Hamilton are making metaphorical remarks on the subject

held on 27 April 1749

it had been proposed that a new Church House should be built in honour of the Established Church

The Crown Inn

Telescope speculum for Lord Rosse's 72-inch telescope at Birr Castle, Ireland Size:L: 100 x 80cm Duke of BrittanyPlate 24 figure 1 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 view of the speculum on supporting levers supported on a cast iron rail carriage. The carriage is shown on a turntable situated to the north side of the 72 inch reflecting