It ib a. long way from, tho Wakamariqo goldfield, Marlborough, to Krupps, but, according; to a Marlborough paper, Wakamarino is one of the few places m New Zealand whore scheelite, one of the principal ores of tungsten, is mined. Up till the outbreak of the war the principal buyer of the product, which finds a ready market, Was Germany. Tungstic acid is used, for various purposes—for instance, as a mordant m calico printing, as a constituent m some finer grades of paint, for the • manufacture of electric-light filaments, and for rendering fabric non-inflammable. Its greatest use, however, is m the manufacture of steel of the . highest grade, such as that required for lathes and the inner tubes of big guns. It imparts to the steel great density, toughness and hardness.
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Bibliographic details
Poverty Bay Herald, Volume XLII, Issue 13701, 3 June 1915, Page 8
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130Untitled Poverty Bay Herald, Volume XLII, Issue 13701, 3 June 1915, Page 8
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