Questions
1. Why will mohair not felt as wool does?
2. The scales lying close to the stem will have what effect on the surface of the fiber?
3. What effect will a smooth surface have on light?
4. What characteristic is given to mohair from the fact that the smooth surface reflects light?
5. From what animal is mohair obtained in greatest quantity?
6. Where is mohair being grown in the United States?
Experiment 10—Cotton Fiber
Apparatus: Microscope, foot-rule.
Materials: Tuft of cotton fibers, cotton ball, seeds.
Reference: Textiles, chapter [ix], page [105].