TESTS OF OFFICIAL COTTON STANDARDS FOE GRADE. 
25 
textile school, in the South, with a portion of the same bales of 
cotton. At each place, the different grades were tested under as 
nearly identical conditions as was possible. 
16 
15 
14 
•13 
12 
11 
10 
9 
8 
7 
6 
5 
4 
TEST 11. 
x 
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TEXTILE SCHOOL 
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=MILL TKST 
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P. G. 
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a. m 
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L.M. G.O 
MILL 
4.61 
5.32. 1 1 6.85 
8.12 
10.67 
TEXTILE SCHOOL 
5.34 
5.46 
1 7.33 
8.52 
.ML. 46 
Fig. 9.— The visible wdste percentages as found in mill and textile school tests. 
The results of the spinning tests are summarized graphically in 
figures 9, 10, and 11. Figure 9 represents the average visible waste 
TEST 
% 
16 
> 
15 
14 
13 
12 
11 
10 
9 
8 
7 
6 
5 
4 
/ 
mil: 
- TEST — *^ — ""^ 
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V 
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£TILE SCHOOL TBS1 
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\ 1 
P. G. 
H. M 
L 
M. G.O 
HILL 
8.43 
9.05 
111. 07 
12.80 
16.27 
TEXTILE 
SCHOOL 
4.17 
5.06 
7.44 
8.74 
12.55 
Fig. 10.— The combined %isible and invisible waste percentages, as found in the mill and textile school 
tests. 
discarded in the manufacturing processes in both the textile school 
and mill tests for each of the five grades tested, while figure 10 
represents the total waste percentages. The differences in the storage 
