| 摘要 |
A device for the accurate measurement, despite misalignment of parts, of the angle of rotation or twist of an object capable of being rotated or twisted e.g. a test-piece in a torsion-testing apparatus. The device incorporates opposed contacts normally held free of an associated annular resistor or resistors, the contacts being connected to a summing circuit which compensates for errors arising from the angular measurement of voltage to arrive at the angle of rotation or twist.
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