﻿10 



I'.u.i.KTix n::.->, r. s. dkpartmkxt of A(;i;icri;iTHF.. 



Table 7 gives the percentage of moisture regain of the cotton at 

 the various stages of the manufacturing process. 



Table 7. — Percentage of moisture regain in the Rowden cotton at the different stages oj 



the manufacturing process. 



Type of bale 



STAGE OR SAMPLE 



From bale 



From bale-breaker 



Finisher picker lap 



Finisher picker lap during carding 



Card sliver 



53 grain finisher drawing 



73 grain finisher drawing 



Roving frames: 



4.00 hank, fine 



4.40 hank , fine 



5.60 hank, fine 



7.23 hank, fine 



Spinning frame: 



16's yarn 



22' s yarn 



28's yarn 



36's yarn 



Flat. 



Standard. 



High 

 density. 



Per cent. 



Per cent. 



Per cent. 



5.76 



5.43 



5.63 



5.54 



5.26 



5.55 



5.57 



5.65 



5.26 



5. 19 



5.57 



4.90 



5.32 



5.57 



4.95 



5.65 



5.85 



4.79 



5.82 



5.87 



5.45 



5.76 



5.81 



5.09 



6.10 



6.10 



6.43 



6.43 



6.49 



6.49 



5.93 



6.15 



5.09 



6.49 



5.59 



6.78 



7.35 



7.18 



7.70 



6.66 



6.89 



6.84 



6.72 



6.38 



6.72 



Round. 



Per cent. 

 4.42 

 4.60 

 5.26 

 5.50 

 5.82 

 6.04 

 5.79 



5.54 

 6.38 

 5.76 

 6.10 



6.49 

 7.06 

 5.54 

 6.72 



BREAKING STRENGTH OF YARNS. 



The cotton of each compression was spun into 16's, 22's, 28's, 

 and 36's yarn with twists equal to 4.25, 4.50, and 4.75 times the 

 square root of the number spun. The average breaking strengths of 

 these yarns are shown in Table 8. 



Table 8. — Breaking strength, in pounds, per skein of 120 yards of yarn spun from Rowden 



cotton. 1 inch staple. 



" 



New- 

 Draper 

 standard. 



Twist 

 multiplier. 



Type of bale. 



No. of yarn. 



Flat. 



Standard. 



High 



density. 



Round. 



16's 



Pounds. 

 120 



S7 



6'J 



51. 



f 4. 25 

 \ 4.50 

 I 4.75 



Average. . 



f 4.25 

 \ 4.50 



1 4. 75 



Average.. 



f 4.25 

 \ 4. 50 

 I 4.75 



Average.. 



f 4.25 



4.50 



{ 4.75 



Average.. 



Pounds. 

 140.8 

 133. 8 

 128.7 



Pounds. 

 141.3 

 142.8 

 137.0 



Pounds. 

 141.9 

 137.7 

 137.8 



Pounds. 



132.4 

 131.1 





129.6 





134.4 



14 1.4 



139. 1 



131.0 



22's 



92.0 

 92.7 

 89.9 



99.4 

 97.5 

 94.9 



94.9 

 94.1 

 95.7 



87.3 

 89. 3 





87.3 





91.5 



97.3 



94.9 



88.0 



28'S 



68.0 

 67.4 

 65.7 



73.0 

 72.9 

 70.8 



70.3 

 71.3 

 68.0 



63. 3 

 64.4 





63.7 





67.0 



72.2 



69.9 



63.8 





48.3 

 47.6 

 47.0 



51.0 

 50.9 

 .50.7 



50.6 

 50.5 

 49. 5 



44.2 

 46.2 







45.7 





47.6 



50.9 



50.2 



45.4 





