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

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

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

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

Black and white negative spares of De Beers new buildings and of an acid tank.

Black and white negative of De Beers [quality control] department, special.

Black and white negative of De Beers [quality control] department, special.

Black and white negative of De Beers [quality control] department, special.

Black and white negative of De Beers [quality control] department, special.

Black and white negative of De Beers [quality control] department, special.