NEW MAGNETIC PATHE&MP 40.043 Electric Transformers ca. 1943 This worker at the Westinghouse Transformer Division, Sharon, Pa., has just finished winding a Hipersil core for an electric transformer and is spot-welding the last two layers together to keep it from unraveling. Hipersil is the new Westinghouse magnetic steel that can carry one-third more magnetic flux, or "magnetism", and permits transformers to be built smaller and better. Photo ## 269464
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