Lantern slide showing a north east view of Roscommon Castle, Roscommon, Co. Roscommon. Originally labelled 'R 52' and titled 'Roscommon Cas. from N.E.' and 'Thomas H. Mason, 5-6, Dame St., Dublin, C.1.' A cow can be seen in the slide.
Lantern slide showing a map of Rindown Castle and surrounding areas, Warren, Co. Roscommon. Originally labelled 'R 51' and titled 'Rinnduin Cas.' A harbor, church ruins, and tower ruins can also be seen. Rindown Castle is also spelled Rindoon Castle.…
Lantern slide showing the western doorway of Clontuskert Abbey, Clontuskert, Co. Galway. Originally labelled 'R 50' and titled 'Clontuskert Abb. Door' and 'Mason Dublin.' The carvings on the doorway depict St. Michael weighing souls, Saints…
Lantern slide showing a ground plan of Ballintober Castle, Ballintober, Co. Roscommon. Originally labelled 'R 49' and titled 'Cas. Ballintobber' and 'Mason Dublin.' The word Liscarroll has been crossed out. The plan shows the scale of the castle as…
Lantern slide showing a gable end window and doorway in Boyle Abbey, Boyle, Co. Roscommon. Originally labelled 'R 48' and titled 'Boyle Abbey' and 'T. H. Mason, 5, Dame Street, Dublin.'
Lantern slide showing the south arcade of Boyle Abbey, Boyle, Co. Roscommon. Originally labelled 'R 46' and titled 'Boyle, S. Arcade, 91' and 'Mason Dublin.' A grave can be seen in the slide.
Lantern slide showing the north transept of Boyle Abbey, Boyle, Co. Roscommon. Originally labelled 'R 44' and titled 'Boyle Abbey : N. Tran' and 'Thomas H. Mason, 5-6, Dame St., Dublin, C.1.' A man can be seen standing under an archway.
Lantern slide showing the eastern end of Boyle Abbey, Boyle, Co. Roscommon. Originally labelled 'R 43' and titled 'Abb. Boyle H.G.L.' and 'Thomas H. Mason, 5-6, Dame St., Dublin.' Two men can be seen on the Abbey. The slide is similar to that of…