The method was frequently modified until now it is capable of producing the finest diameter of any of the rayons. 1. Cotton linters afford the greatest purity and are the preferred source cellulose. These fibers are cleansed by cooking in a mild caustic alkali and bleached with chlorine.

2. Waist: Measure snugly around the waist keeping the tape parallel to the floor. 3. Neck: Measure around the the neck, passing the tape just above the collar bone time front and along the base of the neck at the back.