electric arcn.

1838 M. Faraday in Philos. Trans. (Royal Soc.) 128 117 Discharge in the form of a brush... The brushes then contracted in their lateral dimensions, and recurred so rapidly as to form an apparently continuous arc of light from metal to metal.]

1849 Sci. Amer. 27 Oct. 54/2 Dr. Faraday remarked on the imperfect character of the electro light..: all subjects appearing dark when the eye was embarrassed with the intensity of the electric arc.

1868 Proc. Royal Soc. 1867–8 16 421 The electric arc from fifty cells of Grove's battery is incomparably more brilliant when mercury vapour, instead of atmospheric air, is interposed in the path of the discharge.

1871 tr. H. Schellen Spectrum Anal. 30 As soon as the current passes through the carbon poles the electric arc is formed.

1885 Electrician 31 July p. iv. (advt.) Electric Arc Lamps.

1922 T. M. Lowry Inorg. Chem. xxviii. 450 Acetylene is produced in small quantities by the direct combination of hydrogen and carbon in the electric arc.

1992 Village Voice (N.Y.) 9 June 96/3 It touches on the historic meaning of the Pop movement, a time ablaze with electric arcs leaping between previously unconnected social and cultural poles.

2003 Electr. Contractor Feb. 28/1 Fusion splices are made by ‘welding’ the two fibers together, usually by an electric arc.

1885 U.S. Patent 324,658 2/1 The same process may be practiced in other electric furnaces—as, for example, in the Siemens electric-arc furnace.

1948 Jrnl. Iron & Steel Inst. 160 221/1 Oxygen can be used in the basic electric-arc furnace for decarburization.

2007 Mobile (Alabama) Reg. (Nexis) 4 Feb. f5 SeverCorr will make its steel in an electric arc furnace, a more modern technique that uses greater amounts of scrap.

1893 Operator & Electr. World 22 14 (title) Electric arc welding and metal working.

1936 Economist 18 Jan. 150/2 Its business in electrodes, a natural consequence of the development of electric-arc welding.

1998 G. Sebestyén Construction i. 27 Electric arc-welding,..better bolt fasteners and other innovations contributed to modern bridge building achievements prior to 1945.