BS 4985 73rd Edition, July 12, 1973
Conversion Table for Replacing Traditional Yarn Numbers by Rounded Values in the Tex System
Includes all amendments and changes through Reaffirmation Notice , 1993
Additional Comments: W/D NO S/S
Published By:British Standards Institution (BSI)
Gives conversion for 466 traditional yarn counts from the 6 most important systems to 204 values in the Tex system.