Telescope speculum for Lord Rosse's 72-inch telescope at Birr Castle, Ireland Size:L: 100 x 80cm it had been proposed that

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

held on 27 April 1749

The Crown Inn

The Duke of Kent and Lord Mayor of London Sir Matthew Wood advertising a lottery scheme

Telescope speculum for Lord Rosse's 72-inch telescope at Birr Castle, Ireland Size:L: 100 x 80cm it had been proposed thatPlate 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