- UQFL368
- Collection
- 1938-1956.
Technical drawings of underground mining equipment and two reports on overseas study trips taken by Oscar J. Blau, Standards Engineer, Zinc Corporation, Broken Hill, New South Wales.
Blau, Oscar J.
Technical drawings of underground mining equipment and two reports on overseas study trips taken by Oscar J. Blau, Standards Engineer, Zinc Corporation, Broken Hill, New South Wales.
Blau, Oscar J.