Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Plan of distillation benches at Llandarcy & Abadan oil refineries
A diagrammatic sketch showing of improvements to distillation benches at Llandarcy and Aberdan. Copy of a plan on cream paper, with details coloured in pink yellow and blue paint(?).
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.