Professor Colin Garfield Fink of Columbia, who invented the drawn tungsten filament for electric light bulbs and developed the first commercial process of plating automobile hardware with chromium, last week announced that he was successfully electroplating objects with tungsten.
Tungsten is one of the hardest metals. Its melting point is high, 2,974° C. It is more lustrous than silver, nickel or chromium. Most important commercially is its resistance to corrosives. Only nitric acid and hot hydroxide solutions affect tungsten. Factories dealing with chemicals need just such a resistant to coat their pipes and...
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