Black and white negative of a Hard Metals conference at the Diamond Club.

Black and white negative of a Hard Metals conference at the Diamond Club.

Black and white negative of a Hard Metals conference at the Diamond Club.

Black and white negative of a Hard Metals conference at the Diamond Club.

Black and white negative of a hard metals conference. Negative missing.

Black and white negative spares of a hard metals conference. Negative missing.

Black and white negative of a hard metals conference. Negative missing.

Black and white negative of a hard metals conference. Negative missing.

Black and white negative of drill bits form Hard Metals.

Black and white negative of drill bits form Hard Metals.