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
Turned wooden pop bottle opener with a shaft at the centre to be placed in the neck of a pop bottle. The shaft pushed down the marble and the gas escaped into the container dome.
