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
Proposed arrangement of a 16 & 26½ x 27½ STK Tandem Compound Paxman-Lenitz Engine Driving fan shaft. Scale ¼" = 1 foot. Penallta Colliery. Davey, Paxman & Co. Ld. Reference 76285 Tracing No. 22626. Date 4.2.11. Engineers, Colchester.
