24 
BULLETIN 882, U. S. DEPARTMENT OF AGRICULTURE. 
In, 
2 
Pima American Egyptian 
Average Strength 
Warp 89 lbs* 
pilling .... 88 lbs. 
Fig. 6. — Elasticity curves reproduced from those made by the automatic recording 
device of the cloth-testing machine during the testing of plain-weave cloth made 
from 2/60's yarns mercerized under tension. Yarn spun from American Egyptian 
cotton of grade No. 1 (fancy), 1| inches in length of staple. 
Twist per inch of single yarn, 30.5. 
Twist per inch of ply yarn, 21.5. 
Construction of cloth, 80 ends by 80 picks. 
Strength of caustic, 64 degree Twaddle. 
p 
