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Effects of air humidity and temperature to the activities of external partial discharges of stator windings
According to some unexpected partial discharge (PD) test results during off-line measurements of generators it must be assumed, that a relative high humidity content of the ambient air considerablyExpand
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Orientation of churches by magnetic compasses
SUMMARY In Christian religion the sunrise is of great symbolic importance. Therefore, many churches constructed in the Middle Ages point towards geographic East. Although ‘easting’ of churchesExpand
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