Black and white negative of Irish Base Metals dinner at Dromoland Castle.

Black and white negative of mining for a Hard Metals feature.

Black and white negative of mining for a Hard Metals feature.

Black and white negative of mining for a Hard Metals feature.

Black and white negative of mining for a Hard Metals feature.

Black and white negative of mining for a Hard Metals feature.

Black and white negative progress shots of De Beers new buildings. Negative missing.

Black and white negative of Hamilton Factory.

Black and white negative of Hamilton Factory.

Black and white negative of a piece of equipment for Mr Ennis.