A method for measurement of the torsional rigidity of fibers immersed in liquids is described. The procedure employs a torsion double pendulum which permits measure ments to be made dynamically without interfering with the condition of the fiber for successive tests. The theory of the double pendulum is discussed.
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References
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Meredith, R. , J. Textile Inst. 45, T489 ( 1954).
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Meredith, R. , J. Textile Inst. 48, T163 ( 1957).
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Mitchell, T.W. and Feughelman, M., Textile Res. J. 30, 662 (1960).
