Lord Rosse's telescope at Birr Castle, Ireland Size:L: 90 x 60cm his hands resting on a

his hands resting on a globe

With a facsimile signature lower right

Bowling Green Lane

The photograph shows Commander Ashe with three of his assistants

the Coast horned lizard [modern taxonomy Phrynosoma blainvillii]

Lord Rosse's telescope at Birr Castle, Ireland Size:L: 90 x 60cm his hands resting on aStereoscopic photograph used to produce Plate 24 figure 9 for 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. Study of the crane carrying the eastern counterpoise of the great telescope. The image shows the guide wheel, pulley system and other features;