Ill 
1906-7.] Normal Take-up in Twisted Threads — Part III. 
abscissae represent degrees of twist expressed in numbers of turns per inch 
length of twist. The positive abscissae represent direct twist, i.e. in the same 
direction as the twist in the single threads; while the negative abscissae 
represent inverse twist, i.e. in the opposite direction to the twist in the 
singles. Table II. similarly shows the percentage contraction for two-ply 
twists in Cheviot woollen yarn : (a) 16-cut and 28- cut yarns, carrying 
Fig. 4. 
17*5 grams and 10 grams respectively; ( b ) 7-cut and 10-cut yarns, carrying 
18 grams and 12*6 grams respectively. Fig. 4. shows graphically the results 
of Table II. 
