Black and white negative of the interior of EI Co.

Black and white negative of the interior of EI Co.

Black and white negative of the interior of EI Co.

Black and white negative of two workers in EI Co.

Black and white negative of groups in EI Co.

Black and white negative of EI Co. groups.

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 group at EI Co.

Black and white negative of EI Co. groups.