Dr. Peter Gray

  • Designer
None
Courtesy of: Powerhouse Museum
'Screw Bolt' mining rock bolt
URL
http://from.ph/153209

96/383/1

 
None
Courtesy of: 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
Date
URL
http://from.ph/153219

96/383/2