4 steel ball bearings, fused together, 1976
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Science Museum Group
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Four steel ball bearings, fused together as a result of breakdown of the lubrication film during testing in a "Shell 4-ball" machine, c.1976
Details
- Category:
- Industrial Chemistry
- Object Number:
- 1977-267
- type:
- ball bearings
- credit:
- CIBA-GEIGY Plastics and Additives Co.
