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 black ink on off-white/cream paper. A four page letter regarding turbo-compressors. Business card 83.184I/64 (18) is pinned to the front of the letter. Loose within a beige/light brown card file labelled 'general information file, power generation' and 'compressed air production.'
