IMPROVED COTTON AIRPLANE FABRIC. 
19 
In, 
2 
Cloth woven from gray yarn, 
90 lbs 
Average strength 
Warp ....*•.. 83 lbs. 
pilling 87 lbs. 
Fig. 1. — 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 3/80's gray yarn spun from American Egyptian cotton of grade No. 1 
(fancy), 11 inches in length of staple. 
Twist per inch of single yarn, 35.62. 
Twist per inch of ply yarn, 20.6. 
Construction of cloth, 68 ends by 68 picks. 
