﻿SPINNING TKSTK OF COTTON. 



9 



Table 5. — Percentage of waste from Rowden cotton of 1-inch staple; grade, Strict Middling. 



Type of bale. 



Flat. 



Stand- 

 ard. 



High 



den nl v. 



Round. 



PICKER WASTE.l 



Opener-breaker motes and fly 



Finisher motes and fly 



Total visible 



Invisible 



Total visible and invisible 



CARD WASTE. 2 



Flat strips 



Cylinder and doft'er strips 



Motes and fly 



Sweepings 



Total visible 



Invisible 



Total visible and invisible 



PICKERS AND CARDS. 1 



Total visible 



Total invisible 



Per cent. 



0.95 



.89 



Per cent. 

 0.77 



.78 



Per cent. 



0. 7(1 



.92 



I'fr n nl . 



0. 68 



.81 



1. 84 

 .85 



1 . 68 

 .77 



1.49 

 . 14 



1 . 63 



1.85 

 .77 



2.50 

 .14 



1.78 

 .81 



2.40 

 .05 



1.68 

 .82 



2.35 

 .05 



1.76 

 .79 



2.50 

 .05 



5.26 

 .13 



5.04 

 '.58 



4.90 

 3 .10 



5.10 

 3.32 



5.39 



4.78 



6.96 

 .98 



6.49 



3.11 



6.46 

 .67 



6.51 



3.17 



Total visible and inviisble. 



6.38 



1 Based upon net weight fed to bale-breaker. 



2 Based upon net weight fed to cards. 



3 Gain. 



Referring to Table 5 and comparing the percentages of waste 

 obtained from the different types of bales, it is seen that there is 

 practically no difference between the amount of visible waste dis- 

 carded, the figures being: 



Per cent. 



Flat bale 6. 96 



Standard or railroad compressed bale 6. 49 



High-density bale 6.46 



Round bale 6. 51 



MOISTURE CONDITIONS. 



Table 6 gives the average temperatures and relative humidities 

 under which each type of bale was tested. 



Table 6. — Average temperatures and relative humidities during the testing of Rowden 



cotton of 1-inch staple. 



Type of bale. 



Flat. 



Temper 

 ature. 



Relative 



humid 



ity. 



Standard. 



Temper 

 ature. 



Relative 

 humid- 

 ity. 



High density. 



Temper- 

 ature. 



Relative 

 humid 



ity. 



Round. 



Temper- 

 ature. 



Relative 

 humid- 

 ity. 



STAGE. 



When opened 



Finisher picker . . 

 Card 



Drawing frames: 

 53 grain sliver 

 73 grain sliver 



Rovingframes: 

 4.00 hank fine 

 4.40 hank fine 

 5.60 hank fine 

 7.23 hank fine 



Spinning f r ame : 



16'syarn 



22's yarn 



28'syarn 



36's yarn 



Per cent 

 49 

 51 

 58 



58 

 59 



59 

 59 

 59 

 60 



73 

 72 

 70 

 73 



F. 



71 

 73 

 73 



73 



74 



73 

 73 

 72 

 73 



74 

 75 

 75 



Per cent, 

 50 

 54 

 61 



60 

 61 



59 

 59 

 59 

 59 



73 

 71 

 71 

 70 



Per cent, 

 53 



41 

 5S 



59 

 60 



59 

 59 

 59 

 60 



73 

 72 

 70 

 73 



F. 



70 

 74 

 74 



75 

 74 



73 

 73 

 73 

 73 



81 

 73 

 72 

 76 



Per cent. 

 42 

 61 

 59 



59 



58 



59 

 60 

 60 

 60 



71 

 72 

 69 

 71 



23243°— 23— Bull. 1135- 



