4 BULLETIN 1488, XT. S. DEPARTMENT OF AGRICULTURE 
Table 3. — Percentage of the different kinds of waste removed by the pickers and 
cards from each of the nine grades 
Eastern upland 
Machine and kind of waste 
Grade 
1 
2 
3 
4 
5 
6 
7 
8 
9 
PICKERS 1 
Opener breaker motes and fly 
Finisher motes and fly 
P.ct. 
0.75 
.64 
P.ct. 
0.80 
.78 
P.ct. 
0.80 
.70 
P.ct. 
1.03 
.81 
P. ct. 
1.18 
1.07 
P.ct. 
1.62 
1.08 
P.ct. 
2.73 
1.41 
P.ct. 
2.45 
1.81 
P.ct. 
3.88 
2.48 
Total visible waste 
1.39 
1.58 
1.50 
1.84 
2.25 
2.70 
4.14 
4.26 
6 36 
Invisible waste 
.03 
1.53 
.66 
1.79 
.10 
.90 
1.64 
.71 
1.87 
.07 
.09 
1.76 
.72 
1.87 
.19 
1.63 
1.55 
.54 
2.03 
.23 
.77 
2.10 
.90 
2.22 
.24 
.82 
2.04 
.68 
2.45 
.35 
1.50 
2.20 
.96 
3.27 
.25 
.98 
2.39 
.70 
4.23 
.13 
1. 70 
CARDS 2 
Flat strips 
Cylinder and doffer strips . 
Motes and flv. ._ .. 
2.58 
.80 
5. 11 
26 
Total visible waste 
4.08 
4.29 
4.54 
4.35 
5.46 
5.52 
6.68 
7.45 
8.75 
Invisible waste or gain 
PICKERS AND CARDS 1 
Total visible waste . 
'.17 
5.41 
3.14 
3.68 
5.76 
.24 
3.92 
5.97 
3.82 
3.56 
6.04 
1.09 
3.20 
7.55 
.58 
3.46 
8.03 
.38 
3.20 
10.44 
1.31 
0.00 
11.32 
.98 
.22 
14.40 
Total invisible waste or gain 
1.90 
Western upland 
Macnine and kind of waste 
Grade 
1 
2 
* 
< 
5 
6 
7 
8 
9 
PICKERS l 
Opener breaker motes and fly 
Finisher motes and fly 
P.ct. 
0.73 
.63 
P.ct. 
'.60 
P. ct. 
0.76 
.69 
P. ct. 
1.07 
.91 
P. ct. 
1.50 
1.00 
P. ct. 
1.69 
1.29 
P.ct. 
2.17 
1.62 
P.ct. 
3.12 
2.16 
P.ct. 
3.30 
2.64 
Total visible waste 
1.36 
1.29 
1.45 
1.98 
2.50 
2.98 
3.79 
5.28 
5.94 
.29 
1.55 
.64 
2.00 
.10 
1.13 
1.56 
.64 
1.56 
.27 
.55 
1.71 
.74 
2.04 
.23 
1.46 
1.76 
.64 
2.08 
.18 
1.63 
2.01 
.86 
2.12 
.15 
1.12 
2.08 
.68 
2.45 
.16 
.80 
2.26 
.94 
3.37 
.22 
1.33 
2.41 
.81 
4.26 
.15 
2.93 
CARDS 3 
3.03 
1.12 
4.86 
.35 
4.29 
4.03 
4.72 
4.66 
5.14 
5.37 
6.79 
7.63 
9.36 
3.17 
5.58 
.12 
3.43 
5.22 
.71 
3.56 
6.07 
0.00 
3.56 
6.48 
.92 
3.24 
7.43 
1.40 
3.14 
8.13 
.99 
3.29 
10.27 
.52 
.34 
12.41 
1.65 
3.08 
PICKERS AND CARDS ' 
Total visible waste . ... 
14.47 
Total invisible waste 
2.86 
1 Percentages based on net weight fed to opener. 
2 Percentages based on net weight fed to cards. 
3 Invisible gain. 
PERCENTAGES OF WASTE 
Percentages of waste were determined from the net weight of 
cotton fed to, delivered by, and discarded by each cleaning machine. 
There are two kinds of waste in cleaning: (1) Visible, that which 
may be gathered and weighed and put to some other use; (2) in- 
