MANUFACTURING TESTS OF COTTON 
9 
Table 7. — Variation in skein break and size of 22s gray yarn spun from No. 5 
western cotton 
Turns per inch for 22s gray yarn 
Observations 
19.9 
21.1 
22.3 
Break or 
strength 
Size 
Break or 
strength 
Size 
Break or 
strength 
Size 
1 
Pounds 
83.5 
89.0 
91.0 
89.5 
90.5 
89.5 
90.0 
91.0 
82.5 
90.0 
83.0 
93.5 
93.0 
83.5 
88.0 
92.0 
94.5 
i 105. 
90.5 
92.0 
181.5 
94.5 
89.0 
84.0 
Count 
22.25 
21.00 
21.25 
21. CO 
20.75 
21.75 
21.50 
21.25 
i 22. 25 
21.50 
22.00 
21.25 
21.75 
21.50 
21.25 
21.50 
20.75 
120.25 
20. 75 
20.75 
22.00 
21.25 
21.50 
21.50 
Pounds 
90.5 
87.5 
98.0 
90.0 
82.0 
89.5 
87.0 
92.0 
93.0 
92. 5 
i 100. 
88.0 
95.5 
90.5 
179.5 
81.5 
87.0 
99.0 
85! 
90.0 
92.5 
93.0 
98.0 
Count 
21.50 
21. 50 
21.00 
20.50 
22.25 
21.25 
21.25 
21.00 
21.00 
21.00 
20.75 
21.25 
i 20. 25 
20.75 
21.75 
21.25 
i 22. 50 
20.75 
22.00 
22.25 
21.00 
21.50 
21.00 
20.75 
Pounds 
87.5 
90.0 
98.5 
98.0 
91.0 
93.0 
i 106. 5 
91.0 
86.0 
102.0 
94.0 
92.0 
92.0 
86.0 
97.5 
92.0 
98.5 
92.0 
182.5 
89.0 
89.0 
93.0 
90.5 
91.5 
Count 
21.25 
2. . 
21.25 
3 - 
20.50 
4 
21.75 
5 . 
21.00 
6 
20.00 
20.00 
8 
20.75 
9 1. 
i 22. 00 
10 
20.25 
11. _ 
20.50 
12 . 
21.00 
13 
20.75 
14. 
22.00 
15 
20. 25 
16.. 
20.75 
17 
18. 
i 20. 00 
21.50 
19 
20 . 
21.75 
21.25 
21 
22 . 
20.75 
21.50 
23 . 
21.00 
24 
20.75 
Total 
2, 150. 5 
89.60 
86.95 
Per cent 
3.97 
26.23 
512. 50 
21.35 
2, 168. 
90.33 
87.25 
Per cent 
4.66 
22.69 
510.00 
21.25 
2, 223. 
92.63 
88.17 
Per cent 
4.26 
25.91 
502. 50 
20.94 
Break per 22s .. ... 
Per cent 
1.85 
9.37 
Per cent 
2.06 
10.59 
Per cent 
2.39 
Extreme variation 2 
9.55 
i Extremes. 
2 See discussion of irregularity of yarns (p. 15) for method of calculation. 
The average strength of yarns of each twist of each grade is given 
in Table 8, which was compiled for each grade from data similar 
to those shown in Tables 6 and 7. 
Table 8. — Strength of yarn in pounds per skein of 120 yards {22s yarn spun from 
eastern and western upland cotton) 
Kind of cotton 
Turns 
per 
inch 
Grade of cotton 
1 
2 
3 
4 
5 
6 
7 
8 
9 
Eastern. 
f 19.9 
21.1 
< 22.3 
f 19.9 
21.1 
< 22.3 
Lbs. 
85.2 
85.3 
84.1 
Lbs. 
86.8 
88.0 
87.4 
Lbs. 
87.9 
88.4 
88.0 
Lbs. 
82.9 
84.4 
81.0 
Lbs. 
86.4 
85.5 
86.0 
Lbs. 
78.4 
78.6 
77.5 
Lbs. 
83.4 
82.8 
' 84.9 
Lbs. 
74.6 
73.6 
73.1 
Lbs. 
78.8 
79.6 
78.5 
Average 
84.9 
87.4 
88.1 
82.8 
86.0 
78.2 
83.7 
73.8 
79.0 
Western 
102.6 
103.7 
102.0 
96.0 
97.2 
96.1 
82.8 
83.4 
83.3 
92.2 
90.4 
90.2 
87.0 
87.3 
88.2 
90.4 
89.5 
87.3 
86.3 
86.3 
85.1 
80.2 
80.9 
79.4 
80.5 
82.2 
81.1 
Average 
102.8 
96.4 
83.2 
90.9 
87.5 
89.1 
85.9 
80.2 
81.3 
33065°— 
27 
-2 
