GB 249 OM/130/1
Hardness testing (by means of two new types of machine)
- October 1920 (Creation)
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Scope and content
Article by H.S. Primrose and J.S.G. Primrose. Reprinted from Proceedings of Inst. of Mechanical Engineers.
Appraisal, destruction and scheduling
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Conditions governing access
No access restrictions.
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