Lantern slide of chancel arch detail of Clonfert cathedral, Co. Galway. Originally catalogued as "G 2 99" with labels "Clonfert" and "Mason Dublin". Depicts carved stone angels at the base of the chancel arch.
Lantern slide of Kilconnell Friary, Co. Galway. Originally catalogued as "G 2 100" with label "Kilconnel Fry. Gal. Leask". Depicts a view of Kilconnell Friary.
Lantern slide of a street view, Co. Galway. No original catalogue number, with label "Not in Dublin". Depicts a view dow a narrow street with several figures.
Lantern slide of Claregalway Friary, Co. Galway. Originally catalogued as "G 2 I 2" with label "Claregalway Fry Leask". Depicts the exterior of the Claregalway Friary with graveyard in foreground.
Lantern slide of five children on one of the Aran Islands, Co. Galway. Originally catalogued as "G 11 1" with labels "Aran 13.17" and "T. Mason, 5, Dame Street, Dublin". Depicts five children standing beside a stone wall on one of the Aran islands.
Lantern slide of six figures on one of the Aran Islands, Co. Galway. Originally catalogued as "G 11 2" with label "Arran Islanders. Co Galway". Depicts six young figures standing beside an outcrop of stone on one of the Aran islands.