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Keywords:
MAGNETIC,
DATA,
TESTING,
IRON,
STEEL,
PERMEABILITY,
HYSTERESIS,
INSTRUMENTS,
MAGNETISM,
MEASUREMENT,
TESTS,
METALS,
MAGNETS,
TRANSFORMERS,
ELECTRICITY,
LIGHTING,
ELECTRIC,
GALVANOMETERS,
LOSS
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© Thomas Telford and ICE
1896
