28 
BULLETIN 882, -U. S. DEPARTMENT OF AGRICULTURE. 
Inches 
.70 
.60 
• 50 
.HO 
.30 
.20 
.10 
1 
# 
^ 
<* 
STRENGTH OF CAUSTIC 
■j 
5 
^ 
# 
Y 
< 
lj 
^> 
X 
p, 
i 
ty 
■ 
Ttt 
Ro. 1 - S° Twaddle 
lo. 2 - 16° Twaddle 
Bo. 3 - 4° Twaddle 
Ho. 4 - 32° Twaddle 
Wo. 5 - 64" Twaddle 
V 
« 
o. t 
> - 
1U4 U 
'i'w 
iddl 
e 
10 
20 
30 
40 
50 
60 
70 
SO 
30 
100 lbs, 
Fig. 9. — Elasticity curves showing the effect of different strengths of caustic 
on plain weave cloth made from 3/80's gray yarn spun from American 
Egyptian cotton of grade No. 1 (fancy), 1| inches in length of staple. 
Twist per inch of single yarn, 33.8. 
Twist per inch of ply yarn, 18.5. 
Construction of cloth, 68 ends by 68 picks. 
