FIBERS (TEXTILE) 





\^='*2 



Fig. 2a. Natural fiber structures (from top 

 down): Tussah silk, phase contrast, cross section, 

 450X. Tussah silk, phase contrast, longitudinal, 

 llOX. Silk, phase contrast, cross section, 225X. 

 Flax bleached, phase contrast, longitudinal, 225X . 



H. ( 



Fig. 2b. Natural fiber structures (from top 

 down) : Linen, phase contrast, cross section, 450X. 

 Cotton, phase contrast, cross section, 225X. Cot- 

 ton, phase contrast, longitudinal, 225X. Hemp, 

 phase contrast, cross section, 450X. 



355 



