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
Typed in purple ink on off-white paper. Some details are handwritten in pencil and in black ink. Three page report with the title: 'ECONOMY OF FUEL ATTAINED WITH THE USE OF FEED WATER HEATERS.' Contained loose within a maroon hardback file with all other documents under accession number 85.184I/4. Documents 85.184I/4 (74) - 85.184I/4 (78) are held together with a paperclip.
