44 
BULLETIN 882, U. S. DEPARTMENT OF AGRICULTURE. 
Inches 
■70 
2 f 
"> 
ACETATE VS. NITRATE DOPE 
*.*N 
^ 
.60 
.•fe 
'// 
^ 
^ 
>s 
• 50 
/ 
^ 
& 
.1 f 
/ 
y 
/i 
^ 
'/ 
< 
.40 
• 
<^ 
^ 
«-3 
> 
• 
4> 
^ 
^ 
• 30 
^u 
rt, 
-5 
1* 
/ 
^ 
KZ 
• 
.20 
/ 
/,. 
1? 
s 
V 
> 
y\. 
s 
s 
No. 1 = Nitrate 11.2$ 
No. 2 = Acetate 75 O* 
No. 3 = Nitrate and Varnish - Filling 
No. 4 -= Acetate and Varnish 
No. 5 = Nitrate and Varnish - Warp 
.10 
S: 
* 
K* 
s. 

'/ 
20 
30 
50 
60 
70 
SO 
90 
100 lbs. 
Fig. 21. — Elasticity curves showing the effect of nitrate dope as compared with 
acetate dope. Plain-weave cloth made from 3/SO's mercerized yarn spun 
from American Egyptian cotton of grade No. 1 (fancy), 11 inches in length 
of staple. 
Twist per inch of single yarn, 35.6. 
Twist per inch of ply yarn, 20.6. 
Construction of cloth, 68 ends by 68 picks. 
Strength of caustic, 64 degrees Twaddle. 
