GENERAL IVIICHOSCOPY 



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Fig. 3a. Natural Fiber Structure (from top Fig. 3b. Natural fiber structures (from top 



down): Jute, phase contrast, cross section, 450X. down): Manila, phase contrast, cross section, 



Jute, phase contrast, longitudinal, 225X. Kapok, 450X. Manila, phase contrast, longitudinal, 225X. 



phase contrast, cross section, 450X . Kapok, phase Ramie, phase contrast, cross section, 450X . Ramie, 



contrast, longitudinal, 225X. phase contrast, longitudinal, UOX. 



358 



