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Keywords:
ELECTRICAL,
ELECTRICITY,
MEASUREMENT,
INSTRUMENTS,
VOLTMETERS,
ACCURACY,
MAGNETISM,
DYNAMOMETERS,
METERS,
CURRENTS,
LIGHTING,
INSTRUMENTATION,
ELECTROSTATICS,
POWER,
WATTMETERS,
TESTS,
TEMPERATURE,
ALTERNATING,
LAMPS,
VOLTAGE,
UNITS,
WILLIAM THOMSON
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© Thomas Telford and ICE
1892
