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

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

Black and white negative of an acid tank in De Beers.

Black and white negative of Hamilton Factory.

Black and white negative of Hamilton Factory.

Black and white negative of Hamilton Factory.

Black and white negative spares of Hamilton Factory.

Black and white negative spares of the president of Alcan arriving at Shannon.

Black and white negative copies of Alcan.

Black and white negative of a Japanese group of VIPs visit to De Beers.