Black and white negative copy of the Microgrip spec for De Beers.

Black and white negative of Mini Factory exterior at Shannon Industrial Estate. Negative missing.

Black and white negative spares of Mini Factory exterior at Shannon Industrial Estate. Negative missing.

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 of mining for a Hard Metals feature.

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