Black and white negative passport photograph spares of Mr Ken Oliver, De Beers.

Black and white negative progress picture of De Beers new factory.

Black and white negative of a man at EI Co.

Black and white negative of a group at EI Co.

Black and white negative of a group at EI Co.

Black and white negative of a worker in EI Co.

Black and white negative of a worker in EI Co.

Black and white negative of two workers in EI Co.

Black and white negative of a worker in EI Co.

Black and white negative of a worker in EI Co.