MANUFACTURING TESTS OF COTTON 
25 
The cloth was finished in two different mills. The results of the 
average strength tests of the cloth are shown graphically by Figures 
14, 15, 16, and 17. 
POUNDS 
65 
60 
55 
50 
6 5 4 
GRADE NUMBERS 
FiG. 15.— Effect of mercerizing on the strength of the eastern cloth. Mercerizing tends to 
strengthen the cloth 
The main fact brought out by the cloth tests was the effect of 
the different finishings on the strength of the cloth. Bleaching 
reduced the strength of the cloth approximately 7 per cent, mer- 
POUNDS 
75 
70 
65 
60 
98765432 I 
GRADE NUMBERS 
Fig. 16.— Effect of bleaching on the strength of the western cloth. Bleaching tends to weaken 
the cloth 
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cerizing increased the strength approximately 1.5 per cent, and 
dyeing on a bleached base reduced the strength approximately 5.5 
per cent. 
MANUFACTURING PROPERTIES 
A considerable quantity of dust and fly was given off while the 
the lower grades (Nos. 7, 8, and 9) were being machined. Con- 
siderable pin trash continued to adhere to the fibers after they had 
