Lantern slide showing a gateway at King John's Castle, Limerick, Co. Limerick. Originally labelled 'L2 75' and 'Mason Dublin' and titled 'Limerick Castle : Gateway.'
Geo: Du Noyer, May 1845; specimen of Cyclopean or ?Selasgic Masonry from the base of the Cathedral, Glendalough; many of the stones forming this work; an 5 feet in length by 2-6 in width; (bosh! See masony from Devenish Island)