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Authors
Affiliations
1 Bhillai Steel Plant, Bhilai, IN
Source
Indian Welding Journal, Vol 27, No 4 (1994), Pagination: 42-48
Abstract
Sir Humphry Davi Struck a first welding arc in 1809 with a battery of voltaic cells signifying the use of a first D.C. power source. As production, transmission and distribution of alternating current became economical, A.C.welding power sources came into existance.