1872 25 May 585/2 The need of some more economical fuel than that now used in the electric furnace.
1885 9 Oct. 411/2 A dynamo electric machine..will permit of the establishment of the electric furnace on a larger scale.
1995 7 May g1/3 Minimills that melt steel scrap in electric furnaces to produce new steel steadily have replaced the fully integrated mills.