This
image shows two silk worm cocoons displayed in front of a skein of natural silk.
Even though nearly 60 years old, this silk still has a wonderful luster.This
image shows two silk worm cocoons displayed in front of a skein of natural silk.
Even though nearly 60 years old, this silk still has a wonderful luster.
Compare the diameter of the silk fibers at the margin of the cocoons with the threads. Each thread in the skein is made by twisting several silk fibers together.