Historical
ISO 2061:1995
Textiles -- Determination of twist in yarns -- Direct counting method
Specifies a method for the determination of the direction of twist in yarns, the amount of twist, in terms of turns per unit length, and the change in length on untwisting, by the direct counting method. Applicable to single, folded and cabled yarns. Replaces the first edition, which has been technically revised.
International Organization for Standardization [iso]