Black and white negative copy of Callins International machines.

Black and white negative copy spares of Callins International machines.

Black and white negative of Retos Ltd. Noted in the register that these negatives are 'not to be issued.'

Black and white negative of Retos Ltd. Noted in the register that these negatives are 'not to be issued.'

Black and white negatives of Retos Ltd. Noted in the register that these negatives are 'not to be issued.'

Black and white negative of Retos Ltd. Noted in the register that these negatives are 'not to be issued.'

Black and white negative of Shannon Free Airport Development Company (SFADCo) staff.

Black and white negative ID photographs of Walls workers.

Black and white negative progress shots of the De Beers new building.

Black and white negative of the exterior of De Beers.