Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Commercial Analyses of South Wales Coals (booklet)
Purple covered booklet with gold lettering on front. Commercial Analyses of South Wales Coals by L.J.Davies F.C.S and D.Owen Davies F.C.S. (Analytical and Consulting Chemists).
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.