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
Small Square head? Piece of metal cut for 90° angle in centre, painted black, with thin section cut out of one side (probably to hold rule) and screw holder above (screw removed for safe storage in sealed bag).
2001.5/180-188 stored originally in lid of tool chest 2001.5/1.
