No. 9. To kill the worms inside, the cocoons are No. 10. Sorting the thread into two classes, placed on a bamboo tray in boiling water. A The first is white and fine, the second darker and worker finds the end of the silk thread and winds heavier,it unbroken on a reeling machine.
Textile fabrics
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Catalog] (1914)](https://img.insideoutlibrary.com/img/200/ia-catalog00aava-5-2.webp)
