MAXrFACTT'RlXG TESTS OF COTTON 
19 
POUNDS PER SKEIN 
OF 120 YDS 
NO 
108 
106 
104 
102 
100 
98 
96 
94 
92 
90 
68 
86 
84 
82 
80 
78 
76 
74 
- 
y 
- 
/ 
A 
/ 
/> 
V 
■y^ 
>/ 
^ 
^X 
\A 
' New Dr, 
/ 
iper Star 
dard -, 
<3>fH 
^^ 
^\A\/ 
/ 
—s*£- Jf^— ^ 
\A A 
" 
/i/fJ^r 
s\ A 
s / 
/ 
r A 
/ 
^-^ 
1 
^4 -"-"' 
-^*^"^ e 
^^^^ 
A 
S\ 
V^ 
A 
/ 
10 
20 
30 40 50 60 70 
PER CENT OF CUMULATIVE BREAKS 
80 
90 
100 
Pig. 12— Range of strength of 22s warp yarn spun from western upland cotton. The range of 
strength ot the yarn is represented by a curve numbered according tu grade. The greater 
the angle the curve makes with the horizontal, the more irregular the yarn 
