Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Elementary Stage of Principles of Mining, certificate
Certificate - First Class in the Elementary Stage of Principles of Mining - awarded to William E. Jayne, 10th May 1892.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.