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 of chapel located in the south of Abbeyknockmoy, Co. Galway. Originally labeled '14 G' with the title 'Knockmoy S. Chapels.' 'From S.E' is also marked. The two chapels in the image are entered through a Gothic arch and both contain…
Lantern Slide of the West face of the South Cross in Castledermot in Co. Kildare. Originally labelled '29:15' and 'K2 I 10' with the title 'Castledermot'.
Lantern Slide of the West face of the South Cross in Castledermot in Co. Kildare. Originally labelled '29:20' and 'K2 I 11with the titles 'CASTLEDERMOT. High+' and 'Thomas H. Mason, 5-6 Dame St., Dublin, C.I.'.
Lantern slide of south door in Drumcoo church, Co. Galway. Originally catalogued as "G 2 I 31" with labels "Drumacoo Ch. Gal. Door Leask" and "Mason Dublin". Depicts a close view of the pointed doorway. Slide is damaged.