References |
[<ExternalResource: Powerhouse Museum, ''Screw Bolt' mining rock bolt', Powerhouse Museum, Sydney, NSW.>, <ExternalResource: Powerhouse Museum, '96/383/2 Rock bolts, prototypes (2), test materials (2) and hollow bar samples (2), 'The Screw Bolt', 'Powerhouse Museum Selection 1995', steel/concrete, Dr Peter Gray, BHP Engineering Pty Ltd, Wollongong, 1993-1995', Powerhouse Museum, Sydney, NSW.>]
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[<ExternalResource: Powerhouse Museum, ''Screw Bolt' mining rock bolt', Powerhouse Museum, Sydney, NSW.>]
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Related works |
- 'Screw Bolt' mining rock bolt (None)
- 96/383/2 Rock bolts, prototypes (2), test materials (2) and hollow bar samples (2), 'The Screw Bolt', 'Powerhouse Museum Selection 1995', steel/concrete, Dr Peter Gray, BHP Engineering Pty Ltd, Wollongong, 1993-1995 (None)
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