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.
Single page, handwritten in pencil on cream, lined paper. Notes re. No.1 blast furnace residuals in pig iron. Includes data for various dates in 1962 and 1963.
