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
Form P Acc. 4 from the Patent Office, London. Dated 26 April 1917. Black print on both sides of a sheet of paper with details typed in black. Folded.