An instrument for measuring magnetic anisotropy by recording magnetic torque curves is described. The special construction of the transducer which converts the torque exerted on the sample into an electric signal makes it possible to avoid bearings, so that the instrument is essentially free of friction. The instrument is operated with commercially available electronic apparatus and is suitable for routine measurements on large numbers of samples. The maximum sensitivity is 150 d cm per centimeter deflection of the recorder stylus.
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Aldenkamp et al. (1960) studied this question.
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