- 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.
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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.