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
Iron roof props in use underground. Coal face and road end with ordinary method of hand getting. Showing patent iron "trees" to economise on the use of timber which accounts for about "1/- per ton". From unused postcard.
