12—THE RELAXATION OF STRETCHED ANIMAL FIBRES 1. AN APPARATUS FOR THE DETERMINATION OF RELAXATION CURVES

Abstract
In the course of a programme of work on the visco-elastic properties of keratin fibres, an apparatus has been developed for measuring the relaxation of stretched fibres, i.e., the rate of the decay of tension which occurs after they have been rapidly stretched by a fixed amount. Its most important feature is the ability to give a continuous record of tension in the very early stages of relaxation, observation of which has not hitherto been made. The apparatus is described in the present paper, whilst its application to keratin fibres and an analysis of the results obtained will be the subject of a further publication.

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