WILL MELT STEEL
USB FOR WIRELESS VALVESRAPID ACTION. , Australian and N.Z. Cable Association. DONItON, January 19. : Professor O. E. Desch, Dean of the Faculty of Metallurgy at the University of Sheffield, state's that wireless valves can be used to melt masses of steel. -. j Within a, few months large thermionic valves trill he installed at Sheffield. The furnaces are specially used for the manufacturing of nickel alloys. A 200-volt direct current is passed into valves, 'which-convert it into; alternating current of. extremely, high, frequency ; when a current ■ is induced by this in the' metal the latter becomes far hotter than the crucible containing it. s A piece of iron is melted by means of the apparatus before the crucible : is warm. ,
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Bibliographic details
New Zealand Times, Volume LII, Issue 12042, 21 January 1925, Page 7
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121WILL MELT STEEL New Zealand Times, Volume LII, Issue 12042, 21 January 1925, Page 7
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