Lantern slide of Dunguaire Castle, Co. Galway. Originally catalogued as "G 11 62" with label "Dungorey". Depicts a view of the castle with sea and swans in the foreground.
Lantern Slide of a plan of Dunrum Castle. Originally labelled '6.49' and 'D2 48with the title 'Dundrum'. Labels identifying a Rock-Cut Fosse,the latrines and a possible site of a Barbican.
Lantern Slide of a drawing of Dundrum Castle. Oringinally labelled '6.48' and 'D2 47' with the title 'Dundrum Cas. Down' and 'T. Mason, 5, Dame Street, Dublin'. The drawing itself has the title 'The Anglo-Irish Donjon and Fortress at Dundrum - County…