INTERESTING LECTURE.
NON-CORROSIVT3 STEEL. VISITOR FROM SHEFFIELD. An interesting lecture on corrosion and heat-resisting metals was given in the Lewis Eady Hall last evening by Mr. J. A. McWilliam, of Sheffield. Corrosion-resisting nickel steel, he said, was now being used more and more in chemical and food producing plants where corrosion was likely to take place. Tests of this steel, he continued had proved most satisfactory in dairy factories, and he considered that it should be of great value in making turbine blades for hydro-electric works, where corrosion was most likely to occur. The physical and mechanical' properties of the steel were reviewed by the speaker, and he pointed to an example of their use in the exhaust valves of the engine of the seaplane which won the 1929 Schneider Trophy race. A film, "The Fabrication of AcidResisting Steel Plant" was shown demonstrating the processes by - which the raw material was turned into the finished product.
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Auckland Star, Volume LXI, Issue 103, 3 May 1930, Page 12
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156INTERESTING LECTURE. Auckland Star, Volume LXI, Issue 103, 3 May 1930, Page 12
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