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
Table printed in pink ink on off-white paper. Details printed in black ink. One of the pages also contains details typed in black ink. Amalgamated Anthracite Collieries Ltd, Great Mountain Power Station generation cost sheets. One of the sheets contains data of compressed air costs, and the other three tables are blank. Loose within a beige/light brown card file labelled 'general information file, power generation' and 'compressed air production.'
