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
Testing welds on Top dome of prior to lifting Reactor 1, during construction of Trawsfynydd nuclear power station. Mounted on card with typed description below.