The available particulars regarding these yarns and the fibres from which they were spun are given in Table I. The information regarding the filaments of yarn and of jute in the case of the three io lb. [...] This curve will cut the strength axis at a point mainly determined by the total strength of the strands between the clamps the distribution of those strands in a crossection and the twist. [...] of the filaments of various lengths ; but the general effect of this factor superposed on the "normal gradient" is likely to raise the curve above the normal gradient. [...] In passing from X to C the shape of the curve is presumably governed by the normal gradient in combination with a dimnution of the beneficial effect as the number of filaments clamed at both ends steadily falls but there may be in addition two further adverse effects in actionover this region reducing the overall beneficial effects of the clamping of filaments at both ends. [...] Here the clamping of yet a fairly high proportion of fibres at both ends may result in a disturbance of the spiral arrangement of the filaments resulting in a reduction in the forces (more or less nomal to the axis of the filaments) which bind the yarn together and tend to prevent slipping of the filaments past each other.
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