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
Yellow card file containing a report typed in black ink on white paper. Title printed and typed on the front cover: 'Guest Keen Iron & Steel Works. Branch of G.K.N. Steel Company Limited Cardiff Works. Blast Furnace Department: Report: Mamora Pellet Trial. Number 4 Furnace (Hematite). July-September, 1961 (6 weeks)'
