Abstract
In view of the importance of investigating the crêpage of individual yarns before their going into production, a new apparatus has been designed with which the crêpage of yarn samples can be determined previous to their being woven into cloth. By the contraction of the yarn, a drum is rotated and a pointer attached to the drum directly indicates the shrinkage of the sample. For bringing the yarn into contact with the solution, under uniform conditions, the latter is heated electrically and the temperature is controlled thermostatically.
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