A friction met er is described, and its application to t he evaluation of the smoothness of a wide vari ety of fa brics is discussed. The ruggedness, sensit ivit.y, and ease of operation of the instrumen t make it sui table for the routine testing of fabrics, the evaluation of fini shing agents, and the control of fin ishing processes.
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E.C. Dreby (1943) studied this question.
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