Working model, scale 1:10, of the cobbe-wiffley gr

Buy this image as a print 

Buy

License this image for commercial use at Science and Society Picture Library

License

Science Museum Group
© The Board of Trustees of the Science Museum

Working model, scale 1:10, of the cobbe-wiffley grinding pan (rotary) for gold and other ores

Details

Category:
Mining & Ore Dressing
Object Number:
1947-271
credit:
Cobbe, H.N.G.