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.
Two pages attached with a paperclip. Typed in black ink on cream paper. Two pages of data, entitled 'A proposed burden for making basic pig iron at Margam - one blast furnace working'
