Black and white negative of EI Co. directors touring the factory at Shannon.

Black and white negative of EI Co. directors touring the factory at Shannon.

Black and white negative of EI Co. directors touring the factory at Shannon.

Black and white negative of EI Co. directors touring the factory at Shannon.

Black and white negative of an EI Co. presentation to staff.

Black and white negative of an EI Co. presentation to staff.

Black and white negative of people at work in De Beers.

Black and white negative spares of people at work in De Beers.

Black and white negative of Mr Joe Walshe of SPS at his desk.

Black and white negative of [teachers] on a visit to De Beers.