Black and white negative for Shell Oil, showing factories. Negative missing.

Black and white negatives for Shell Oil, showing factories.

Black and white negative for Shell Oil. Negative missing.

Black and white negative for Shell Oil. Negative missing.

Black and white negative of equipment for Infotronics.

Black and white negative spares of equipment for Infotronics. Negative missing.

Black and white negative spares of equipment for Infotronics.

Black and white negative of equipment for Infotronics.

Black and white negative of a building under construction for N. Jordan, De Beers.