These cookies are absolutely essential for our website to function properly.
We use Google Analytics to measure how you use the website so we can improve it based on user needs.
These cookies may be set by third party websites and do things like measure how you view YouTube videos.
Amgueddfa Cymru – Museum Wales
Plastic bouned booklet detailing conversion charts from traditional yarn counting for woollens and worsteds to a standard metric Tex system put into use between 1966-67. Includes a separate laminated conversion chart.
