Lord Rosse's telescope at Birr Castle, Ireland Duke of Kent Figures strolling in a garden

Figures strolling in a garden

with the wall of the lean-to and part of the South front

The centre of the sheet is left blank for writing in

Heraldic shield on left depicts the Tudor royal arms and shield on left depicts the City of London arms

Lord Rosse's telescope at Birr Castle, Ireland Duke of Kent Figures strolling in a gardenStereoscopic photograph used to produce Plate 24 figure 5 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. The great telescope seen from the south east, the stage of the first gallery slightly raised. The instrument's scale is demonstrated by groups