IMPROVED COTTON AIRPLANE FABRIC. 
39 
Inches 
/ 
3w 
1.20 
/ 
2/60 *s GREY, MERCERIZED YARN AND 
MERCERIZED IN PIECE FABRICS 
y 
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No. 1 - Gray 
No. 2 - Mercerized in yarn 
No. 3 - Mercerized in yarn, 
standard specifications 
No. 4 - Mercerized in piece #1 
No. 5 - Mercerized in piece 42 
w - Warp f - Filling 
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w 
10 
20 
30 
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56 
SO 
70 
go 
90 
100 lbs. 
Fig. 17. — Elasticity curves showing the effect of yarn mercerizing and piece 
mercerizing upon plain-weave cloth made of 2/60's yarn spun from Sea 
Island cotton of grade represented by a mixture of one bale of No. 1, two 
bales No. 2, and two bales of No. 3, all 1& inches in length of staple. 
Standard Twist of 
specifications. Nos. 1, 2, 4, 5. 
Twist per inch of single yarn 28-34 30. 5 
Twist per inch of ply yarn 16 21. 5 
Construction of cloth, 80 ends by 80 picks. 
Strength of caustic, 64 degrees Twaddle. 
