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Expired
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Vladimir Mitkevitch
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Individual
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Individual
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Publication of GB190520769ApublicationCriticalpatent/GB190520769A/en
20,769. Mitkevitch, V. Oct. 13. Welding; working by electricity.-In electric welding and other electro-metallurgical processes in which an arc is employed, the stability of the arc when using an alternating current is secured by applying auxiliary heat to one or both electrodes such as by an oxyhydrogen flame or by an auxiliary arc.
GB190520769D1905-10-131905-10-13An Improvement in the Application of Alternating Current to Welding and other Metal-working Processes
ExpiredGB190520769A
(en)