what is touch and stroke method
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Magnetization by Single Touch. A method of polarizing or magnetizing steel bars, by stroking them always in one direction with one pole of a magnet, returning it through the air. The stroking is best done on both sides. M.
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Use one pole of a bar magnet and make successive strokes on the steel bar in the same direction from one end to the other end. • Lift the pole of the magnet above the steel bar after each stroke. • The stroke should be moderate, not hard as it can destroy the bar magnet.
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