iSPIXXIXG TESTS OF COTTON. 
IRREGULARITY OF YARNS. 
The irregularity or the quality of the yarns was determined by 
three methods : By photographing the yarn, testing for evenness on 
a Moscrop single strand tester, and calculating the average deviation 
of the sizings and strengths obtained in the skein-breaking strength 
tests. 
SPINNING TESTS OF CLEVELAND BIG BOLL COTTON OF FIFTEEN- 
SIXTEENTHS-INCH STAPLE. 
The Cleveland Big Boll cotton was compressed into four bales: 
A flat bale, a standard or railroad compressed bale, a high-density 
bale, and a high-density bale compressed while wet. The latter 
bale was made by wetting a flat bale with water from a hose for a day 
and then compressing it to high density in the usual manner. 
PERCENTAGE OF WASTE. 
Table 1 gives the percentage of visible, invisible, and total waste 
obtained from the different types of bales. 
Table 1. — Percentage of waste from Cleveland Big Boll cotton of fifteen-sixteenths-inch 
staple; grade, Middling. 
Flat. 
Standard. 
High 
density. 
High 
density 
wet. 
PICKER "WASTE. 1 
Per cent. 
0.96 
.43 
Per cent. 
1.20 
.52 
Per cent. 
0.98 
.45 
Per cent. 
1.50 
.66 
Total visible 
1.39 
.94 
1.72 
1.02 
1.43 
.96 
2.16 
1.46 
2.33 
'2.74 
2.39 
3.62 
CARD "WASTE. 2 
2.59 
.70 
1.53 
.10 
3.00 
.83 
1.65 
.11 
2.69 
.69 
1.19 
.09 
3.17 
Cylinder and dofier strips 
.88 
2.17 
.12 
Total visible 
4.92 
3.37 
5.59 
.09 
4.66 
.15 
6.34 
.62 
Total visible and invisible 
4.55 
5.68 
4.81 
6.96 
PICKERS AND CARDS.l 
6.20 
.58 
7.16 
1.11 
5.98 
1.11 
8.27 
2.06 
6.78 
8.27 
7.09 
10.33 
1 Based upon net weight fed to bale-breaker. 
2 Based upon net weight fed to cards. 
3 Gain. 
Referring 
to Table 1 and comparing the percentages of visible 
waste obtained from the different types of bales, it is seen that the 
flat bale and the high-density bale were practically equal in waste- 
fulness. The standard or railroad compressed bale was about 1 per 
cent more wasty than either the flat or high-density bale, while the 
high-density bale compressed while wet was about 2 per cent more 
wasty. 
